JBR-2848 Rollback JBR-2712 fix in release (1145) branch

(cherry picked from commit 83f1177a90)

jb/project/tools/mac/scripts/mkimages.sh

@@ -150,7 +150,7 @@ cp -a $JSDK/jdk-$JBSDK_VERSION_WITH_DOTS.jdk $BASE_DIR/$JBRSDK_BUNDLE || do_exit
   if [[ "${bundle_type}" == *jcef* ]] || [[ "${bundle_type}" == *dcevm* ]] || [[ "${bundle_type}" == fd ]]; then
   cp -a ${JCEF_PATH}/Frameworks $BASE_DIR/$JBRSDK_BUNDLE/Contents/
 fi
-if [ "${bundle_type}" == "jcef" ] || [ "{$bundle_type}" == "fd" ]; then
+if [ "${bundle_type}" == "jcef" ] || [ "${bundle_type}" == "fd" ]; then
   echo Creating $JBSDK.tar.gz ...
   sed 's/JBR/JBRSDK/g' ${BASE_DIR}/${JBRSDK_BUNDLE}/Contents/Home/release > release
   mv release ${BASE_DIR}/${JBRSDK_BUNDLE}/Contents/Home/release

jb/project/tools/patches/dcevm/0001-Apply-basic-dcevm11-patch.patch

@@ -1,7 +1,7 @@
-From 3b899c25e7ff58ce8b0e04e537507f64a5b1c87d Mon Sep 17 00:00:00 2001
+From b36887fca0b0b251c914567d0ee2871c6d786c09 Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 14 Nov 2018 21:09:39 +0100
-Subject: [PATCH 01/13] Apply basic dcevm11 patch
+Subject: [PATCH 01/17] Apply basic dcevm11 patch
 
 ---
  src/hotspot/share/ci/ciObjectFactory.cpp      |   25 +
@@ -126,7 +126,7 @@ index 1063c9853e1..3e9d48c4cdc 100644
  
  #endif // SHARE_VM_CI_CIOBJECTFACTORY_HPP
 diff --git a/src/hotspot/share/classfile/classFileParser.cpp b/src/hotspot/share/classfile/classFileParser.cpp
-index bf8ac6f3b17..cd8f517e8be 100644
+index 6d65cca2101..e2b8c5793d0 100644
 --- a/src/hotspot/share/classfile/classFileParser.cpp
 +++ b/src/hotspot/share/classfile/classFileParser.cpp
 @@ -954,6 +954,8 @@ void ClassFileParser::parse_interfaces(const ClassFileStream* const stream,
@@ -138,7 +138,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
        if (!interf->is_interface()) {
          THROW_MSG(vmSymbols::java_lang_IncompatibleClassChangeError(),
                    err_msg("class %s can not implement %s, because it is not an interface (%s)",
-@@ -3747,7 +3749,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
+@@ -3826,7 +3828,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
      // However, make sure it is not an array type.
      bool is_array = false;
      if (cp->tag_at(super_class_index).is_klass()) {
@@ -147,7 +147,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
        if (need_verify)
          is_array = super_klass->is_array_klass();
      } else if (need_verify) {
-@@ -4415,7 +4417,10 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
+@@ -4494,7 +4496,10 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
    if (!_has_empty_finalizer) {
      if (_has_finalizer ||
          (super != NULL && super->has_finalizer())) {
@@ -159,7 +159,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
      }
    }
  
-@@ -5793,6 +5798,7 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
+@@ -5872,6 +5877,7 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
                                   const InstanceKlass* host_klass,
                                   GrowableArray<Handle>* cp_patches,
                                   Publicity pub_level,
@@ -167,7 +167,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
                                   TRAPS) :
    _stream(stream),
    _requested_name(name),
-@@ -5851,7 +5857,8 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
+@@ -5930,7 +5936,8 @@ ClassFileParser::ClassFileParser(ClassFileStream* stream,
    _has_finalizer(false),
    _has_empty_finalizer(false),
    _has_vanilla_constructor(false),
@@ -177,7 +177,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
  
    _class_name = name != NULL ? name : vmSymbols::unknown_class_name();
  
-@@ -6252,14 +6259,15 @@ void ClassFileParser::post_process_parsed_stream(const ClassFileStream* const st
+@@ -6331,14 +6338,15 @@ void ClassFileParser::post_process_parsed_stream(const ClassFileStream* const st
          CHECK);
      }
      Handle loader(THREAD, _loader_data->class_loader());
@@ -196,7 +196,7 @@ index bf8ac6f3b17..cd8f517e8be 100644
    if (_super_klass != NULL) {
      if (_super_klass->has_nonstatic_concrete_methods()) {
 diff --git a/src/hotspot/share/classfile/classFileParser.hpp b/src/hotspot/share/classfile/classFileParser.hpp
-index 9f7204be9b6..3db14b678f3 100644
+index 3bdfd34e39f..d792ab4bb3f 100644
 --- a/src/hotspot/share/classfile/classFileParser.hpp
 +++ b/src/hotspot/share/classfile/classFileParser.hpp
 @@ -115,6 +115,9 @@ class ClassFileParser {
@@ -209,7 +209,7 @@ index 9f7204be9b6..3db14b678f3 100644
    enum { fixed_buffer_size = 128 };
    u_char _linenumbertable_buffer[fixed_buffer_size];
  
-@@ -496,6 +499,9 @@ class ClassFileParser {
+@@ -500,6 +503,9 @@ class ClassFileParser {
                       FieldLayoutInfo* info,
                       TRAPS);
  
@@ -219,7 +219,7 @@ index 9f7204be9b6..3db14b678f3 100644
   public:
    ClassFileParser(ClassFileStream* stream,
                    Symbol* name,
-@@ -504,6 +510,7 @@ class ClassFileParser {
+@@ -508,6 +514,7 @@ class ClassFileParser {
                    const InstanceKlass* host_klass,
                    GrowableArray<Handle>* cp_patches,
                    Publicity pub_level,
@@ -227,7 +227,7 @@ index 9f7204be9b6..3db14b678f3 100644
                    TRAPS);
  
    ~ClassFileParser();
-@@ -532,6 +539,7 @@ class ClassFileParser {
+@@ -536,6 +543,7 @@ class ClassFileParser {
    ClassLoaderData* loader_data() const { return _loader_data; }
    const Symbol* class_name() const { return _class_name; }
    const InstanceKlass* super_klass() const { return _super_klass; }
@@ -236,7 +236,7 @@ index 9f7204be9b6..3db14b678f3 100644
    ReferenceType reference_type() const { return _rt; }
    AccessFlags access_flags() const { return _access_flags; }
 diff --git a/src/hotspot/share/classfile/classLoader.cpp b/src/hotspot/share/classfile/classLoader.cpp
-index d4f7d92b19c..599ce40a2c5 100644
+index f0cf1fb7cb1..5713bb9e98c 100644
 --- a/src/hotspot/share/classfile/classLoader.cpp
 +++ b/src/hotspot/share/classfile/classLoader.cpp
 @@ -1501,6 +1501,7 @@ InstanceKlass* ClassLoader::load_class(Symbol* name, bool search_append_only, TR
@@ -449,10 +449,10 @@ index d26f1f11fb4..fd4b134d7a7 100644
  
  // An entry in the class loader data dictionaries, this describes a class as
 diff --git a/src/hotspot/share/classfile/javaClasses.cpp b/src/hotspot/share/classfile/javaClasses.cpp
-index 438e7aa4ec9..ea0588e5388 100644
+index 6d320fb0d30..1004f41b277 100644
 --- a/src/hotspot/share/classfile/javaClasses.cpp
 +++ b/src/hotspot/share/classfile/javaClasses.cpp
-@@ -2443,6 +2443,8 @@ void java_lang_Throwable::fill_in_stack_trace(Handle throwable, const methodHand
+@@ -2444,6 +2444,8 @@ void java_lang_Throwable::fill_in_stack_trace(Handle throwable, const methodHand
          skip_throwableInit_check = true;
        }
      }
@@ -461,7 +461,7 @@ index 438e7aa4ec9..ea0588e5388 100644
      if (method->is_hidden()) {
        if (skip_hidden)  continue;
      }
-@@ -3625,6 +3627,62 @@ void java_lang_invoke_DirectMethodHandle::serialize_offsets(SerializeClosure* f)
+@@ -3626,6 +3628,62 @@ void java_lang_invoke_DirectMethodHandle::serialize_offsets(SerializeClosure* f)
  }
  #endif
  
@@ -524,7 +524,7 @@ index 438e7aa4ec9..ea0588e5388 100644
  // Support for java_lang_invoke_MethodHandle
  
  int java_lang_invoke_MethodHandle::_type_offset;
-@@ -3811,6 +3869,11 @@ void java_lang_invoke_ResolvedMethodName::set_vmtarget(oop resolved_method, Meth
+@@ -3812,6 +3870,11 @@ void java_lang_invoke_ResolvedMethodName::set_vmtarget(oop resolved_method, Meth
    resolved_method->address_field_put(_vmtarget_offset, (address)m);
  }
  
@@ -732,7 +732,7 @@ index 8a7a1248e62..611e18aaf85 100644
    bool add_entry(Symbol* name, InstanceKlass* klass1, Handle loader1,
                                      InstanceKlass* klass2, Handle loader2);
 diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
-index 91dc9faeccb..9dbd6cc9c12 100644
+index 5c8ff453823..669de5e56a5 100644
 --- a/src/hotspot/share/classfile/systemDictionary.cpp
 +++ b/src/hotspot/share/classfile/systemDictionary.cpp
 @@ -201,6 +201,7 @@ Klass* SystemDictionary::resolve_or_fail(Symbol* class_name, Handle class_loader
@@ -824,7 +824,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
    } );
  
    return k;
-@@ -1554,11 +1567,12 @@ static void post_class_define_event(InstanceKlass* k, const ClassLoaderData* def
+@@ -1553,11 +1566,12 @@ static void post_class_define_event(InstanceKlass* k, const ClassLoaderData* def
    }
  }
  
@@ -838,7 +838,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  
   // for bootstrap and other parallel classloaders don't acquire lock,
   // use placeholder token
-@@ -1583,7 +1597,11 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
+@@ -1582,7 +1596,11 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
    Symbol*  name_h = k->name();
    Dictionary* dictionary = loader_data->dictionary();
    unsigned int d_hash = dictionary->compute_hash(name_h);
@@ -851,7 +851,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  
    // Register class just loaded with class loader (placed in Vector)
    // Note we do this before updating the dictionary, as this can
-@@ -1617,7 +1635,7 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
+@@ -1616,7 +1634,7 @@ void SystemDictionary::define_instance_class(InstanceKlass* k, TRAPS) {
    k->eager_initialize(THREAD);
  
    // notify jvmti
@@ -860,7 +860,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
        assert(THREAD->is_Java_thread(), "thread->is_Java_thread()");
        JvmtiExport::post_class_load((JavaThread *) THREAD, k);
  
-@@ -1695,7 +1713,7 @@ InstanceKlass* SystemDictionary::find_or_define_instance_class(Symbol* class_nam
+@@ -1694,7 +1712,7 @@ InstanceKlass* SystemDictionary::find_or_define_instance_class(Symbol* class_nam
      }
    }
  
@@ -869,7 +869,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  
    Handle linkage_exception = Handle(); // null handle
  
-@@ -1818,6 +1836,18 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
+@@ -1817,6 +1835,18 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
    CodeCache::flush_dependents_on(k);
  }
  
@@ -888,7 +888,7 @@ index 91dc9faeccb..9dbd6cc9c12 100644
  // ----------------------------------------------------------------------------
  // GC support
  
-@@ -2089,7 +2119,7 @@ void SystemDictionary::check_constraints(unsigned int d_hash,
+@@ -2113,7 +2143,7 @@ void SystemDictionary::check_constraints(unsigned int d_hash,
        // also hold array classes.
  
        assert(check->is_instance_klass(), "noninstance in systemdictionary");
@@ -898,10 +898,10 @@ index 91dc9faeccb..9dbd6cc9c12 100644
          ss.print("loader %s", loader_data->loader_name_and_id());
          ss.print(" attempted duplicate %s definition for %s. (%s)",
 diff --git a/src/hotspot/share/classfile/systemDictionary.hpp b/src/hotspot/share/classfile/systemDictionary.hpp
-index d38dd0fd003..717f34ce9a0 100644
+index 649b321a6a4..06f6c869d63 100644
 --- a/src/hotspot/share/classfile/systemDictionary.hpp
 +++ b/src/hotspot/share/classfile/systemDictionary.hpp
-@@ -158,6 +158,8 @@ class OopStorage;
+@@ -161,6 +161,8 @@ class OopStorage;
                                                                                                                           \
    /* support for dynamic typing; it's OK if these are NULL in earlier JDKs */                                            \
    do_klass(DirectMethodHandle_klass,                    java_lang_invoke_DirectMethodHandle,       Opt                 ) \
@@ -910,7 +910,7 @@ index d38dd0fd003..717f34ce9a0 100644
    do_klass(MethodHandle_klass,                          java_lang_invoke_MethodHandle,             Pre                 ) \
    do_klass(VarHandle_klass,                             java_lang_invoke_VarHandle,                Pre                 ) \
    do_klass(MemberName_klass,                            java_lang_invoke_MemberName,               Pre                 ) \
-@@ -315,6 +317,7 @@ public:
+@@ -318,6 +320,7 @@ public:
                                              Handle class_loader,
                                              Handle protection_domain,
                                              ClassFileStream* st,
@@ -918,9 +918,9 @@ index d38dd0fd003..717f34ce9a0 100644
                                              TRAPS);
  
    // Lookup an already loaded class. If not found NULL is returned.
-@@ -452,6 +455,10 @@ public:
-   }
-   static BasicType box_klass_type(Klass* k);  // inverse of box_klass
+@@ -462,6 +465,10 @@ public:
+   static bool is_well_known_klass(Symbol* class_name);
+ #endif
  
 +  // Enhanced class redefinition
 +  static void remove_from_hierarchy(InstanceKlass* k);
@@ -929,7 +929,7 @@ index d38dd0fd003..717f34ce9a0 100644
  protected:
    // Returns the class loader data to be used when looking up/updating the
    // system dictionary.
-@@ -645,7 +652,7 @@ protected:
+@@ -655,7 +662,7 @@ protected:
    // after waiting, but before reentering SystemDictionary_lock
    // to preserve lock order semantics.
    static void double_lock_wait(Handle lockObject, TRAPS);
@@ -977,7 +977,7 @@ index 05239c57866..c1357bde0ed 100644
    methodHandle        _method; // current method being verified
    VerificationType    _this_type; // the verification type of the current class
 diff --git a/src/hotspot/share/classfile/vmSymbols.hpp b/src/hotspot/share/classfile/vmSymbols.hpp
-index 37b68a27962..6e0b95ef5e8 100644
+index 44cf2583eb9..41e9a84cd69 100644
 --- a/src/hotspot/share/classfile/vmSymbols.hpp
 +++ b/src/hotspot/share/classfile/vmSymbols.hpp
 @@ -286,6 +286,8 @@
@@ -1003,7 +1003,7 @@ index 37b68a27962..6e0b95ef5e8 100644
    /* name symbols needed by intrinsics */                                                         \
    VM_INTRINSICS_DO(VM_INTRINSIC_IGNORE, VM_SYMBOL_IGNORE, template, VM_SYMBOL_IGNORE, VM_ALIAS_IGNORE) \
 diff --git a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
-index 7b9096d73be..a93f764f1b9 100644
+index 17d563338b8..4c9918627a2 100644
 --- a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 +++ b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 @@ -376,6 +376,12 @@ CompactibleFreeListSpace::CompactibleFreeListSpace(BlockOffsetSharedArray* bs, M
@@ -1019,7 +1019,7 @@ index 7b9096d73be..a93f764f1b9 100644
  // Like CompactibleSpace forward() but always calls cross_threshold() to
  // update the block offset table.  Removed initialize_threshold call because
  // CFLS does not use a block offset array for contiguous spaces.
-@@ -2190,7 +2196,8 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
+@@ -2203,7 +2209,8 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
  
  // Support for compaction
  void CompactibleFreeListSpace::prepare_for_compaction(CompactPoint* cp) {
@@ -1029,7 +1029,7 @@ index 7b9096d73be..a93f764f1b9 100644
    // Prepare_for_compaction() uses the space between live objects
    // so that later phase can skip dead space quickly.  So verification
    // of the free lists doesn't work after.
-@@ -2208,7 +2215,7 @@ void CompactibleFreeListSpace::adjust_pointers() {
+@@ -2221,7 +2228,7 @@ void CompactibleFreeListSpace::adjust_pointers() {
  }
  
  void CompactibleFreeListSpace::compact() {
@@ -1236,10 +1236,10 @@ index cf96ade0ef0..b6187dae4d0 100644
  
    static void follow_klass(Klass* klass);
 diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
-index ddc84c1d2a4..8aac2b39e1e 100644
+index 8c42e43b00d..9779df92447 100644
 --- a/src/hotspot/share/gc/shared/gcConfig.cpp
 +++ b/src/hotspot/share/gc/shared/gcConfig.cpp
-@@ -101,7 +101,10 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
+@@ -106,7 +106,10 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
  }
  
  void GCConfig::select_gc_ergonomically() {
@@ -1919,7 +1919,7 @@ index 2a93500b794..2a9eb978b43 100644
  
    // RedefineClasses support
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index d48d4bd6fb5..7e44092f39b 100644
+index c6752eb373f..e9c1d4e5226 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -832,7 +832,8 @@ bool InstanceKlass::link_class_impl(bool throw_verifyerror, TRAPS) {
@@ -2013,7 +2013,7 @@ index d48d4bd6fb5..7e44092f39b 100644
  }
  
  #ifndef PRODUCT
-@@ -3532,7 +3582,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+@@ -3552,7 +3602,7 @@ void InstanceKlass::verify_on(outputStream* st) {
      }
  
      guarantee(sib->is_klass(), "should be klass");
@@ -2260,10 +2260,10 @@ index f9a69ef0c8b..231ada3f0ab 100644
  
    if (log_is_enabled(Debug, class, resolve) && k != NULL) {
 diff --git a/src/hotspot/share/prims/jvm.cpp b/src/hotspot/share/prims/jvm.cpp
-index 797b022d5e5..eb4b7622820 100644
+index 24c66ab3918..82b359ee9a3 100644
 --- a/src/hotspot/share/prims/jvm.cpp
 +++ b/src/hotspot/share/prims/jvm.cpp
-@@ -927,6 +927,7 @@ static jclass jvm_define_class_common(JNIEnv *env, const char *name,
+@@ -935,6 +935,7 @@ static jclass jvm_define_class_common(JNIEnv *env, const char *name,
                                                     class_loader,
                                                     protection_domain,
                                                     &st,
@@ -2273,7 +2273,7 @@ index 797b022d5e5..eb4b7622820 100644
    if (log_is_enabled(Debug, class, resolve) && k != NULL) {
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 new file mode 100644
-index 00000000000..83c0952de37
+index 00000000000..80c31135487
 --- /dev/null
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -0,0 +1,2255 @@
@@ -4534,7 +4534,7 @@ index 00000000000..83c0952de37
 +}
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 new file mode 100644
-index 00000000000..b712d69a193
+index 00000000000..3f95cf42645
 --- /dev/null
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -0,0 +1,202 @@
@@ -4806,10 +4806,10 @@ index 1dd911fd8d8..bc6ebb2d4af 100644
    VMThread::execute(&op);
    return (op.check_error());
 diff --git a/src/hotspot/share/prims/jvmtiExport.cpp b/src/hotspot/share/prims/jvmtiExport.cpp
-index c2e86c2406a..2463c1f7bdb 100644
+index 375aa5f54f8..08f910bd2ac 100644
 --- a/src/hotspot/share/prims/jvmtiExport.cpp
 +++ b/src/hotspot/share/prims/jvmtiExport.cpp
-@@ -2799,7 +2799,7 @@ JvmtiDynamicCodeEventCollector::JvmtiDynamicCodeEventCollector() : _code_blobs(N
+@@ -2813,7 +2813,7 @@ JvmtiDynamicCodeEventCollector::JvmtiDynamicCodeEventCollector() : _code_blobs(N
  // iterate over any code blob descriptors collected and post a
  // DYNAMIC_CODE_GENERATED event to the profiler.
  JvmtiDynamicCodeEventCollector::~JvmtiDynamicCodeEventCollector() {
@@ -4819,7 +4819,7 @@ index c2e86c2406a..2463c1f7bdb 100644
   if (_code_blobs != NULL) {
     for (int i=0; i<_code_blobs->length(); i++) {
 diff --git a/src/hotspot/share/prims/jvmtiExport.hpp b/src/hotspot/share/prims/jvmtiExport.hpp
-index 99288f7590c..bb58ad9432c 100644
+index 557d10543c6..ef8c266bc6e 100644
 --- a/src/hotspot/share/prims/jvmtiExport.hpp
 +++ b/src/hotspot/share/prims/jvmtiExport.hpp
 @@ -178,6 +178,7 @@ class JvmtiExport : public AllStatic {
@@ -4997,10 +4997,10 @@ index bd439aab073..cc7f71a4404 100644
    static size_t max_heap_for_compressed_oops();
  
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index 1e2408b4ba7..ab5d08390ff 100644
+index 3cd51a1ac95..7b061359c1d 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
-@@ -2671,7 +2671,11 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+@@ -2674,7 +2674,11 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
            "Start flight recording with options"))                           \
                                                                              \
    experimental(bool, UseFastUnorderedTimeStamps, false,                     \
@@ -5014,10 +5014,10 @@ index 1e2408b4ba7..ab5d08390ff 100644
  #define VM_FLAGS(develop,                                                   \
                   develop_pd,                                                \
 diff --git a/src/hotspot/share/runtime/interfaceSupport.inline.hpp b/src/hotspot/share/runtime/interfaceSupport.inline.hpp
-index f5dac06750a..40a8bdd8e62 100644
+index 0267345b535..bcdd8e5d3e6 100644
 --- a/src/hotspot/share/runtime/interfaceSupport.inline.hpp
 +++ b/src/hotspot/share/runtime/interfaceSupport.inline.hpp
-@@ -277,8 +277,8 @@ class ThreadToNativeFromVM : public ThreadStateTransition {
+@@ -276,8 +276,8 @@ class ThreadToNativeFromVM : public ThreadStateTransition {
   public:
    ThreadToNativeFromVM(JavaThread *thread) : ThreadStateTransition(thread) {
      // We are leaving the VM at this point and going directly to native code.
@@ -5043,7 +5043,7 @@ index 32040586b36..0eb2fc1ec6b 100644
    _result   = result;
  
 diff --git a/src/hotspot/share/runtime/mutexLocker.cpp b/src/hotspot/share/runtime/mutexLocker.cpp
-index b258e347c94..0e60bb4b6bd 100644
+index b56b44eab69..2e1514cf750 100644
 --- a/src/hotspot/share/runtime/mutexLocker.cpp
 +++ b/src/hotspot/share/runtime/mutexLocker.cpp
 @@ -5,7 +5,7 @@
@@ -5064,7 +5064,7 @@ index b258e347c94..0e60bb4b6bd 100644
  Monitor* GCTaskManager_lock           = NULL;
  
  Mutex*   Management_lock              = NULL;
-@@ -275,6 +277,7 @@ void mutex_init() {
+@@ -285,6 +287,7 @@ void mutex_init() {
    def(JNIGlobalActive_lock         , PaddedMutex  , nonleaf-1,   true,  Monitor::_safepoint_check_never);
    def(JNIWeakAlloc_lock            , PaddedMutex  , nonleaf,     true,  Monitor::_safepoint_check_never);
    def(JNIWeakActive_lock           , PaddedMutex  , nonleaf-1,   true,  Monitor::_safepoint_check_never);

jb/project/tools/patches/dcevm/0002-dcevm11-fixes.patch

@@ -1,7 +1,7 @@
-From 2deb53bed368c6a8e5c9dd719cd1fd2d51190095 Mon Sep 17 00:00:00 2001
+From 8ab0856ab3446eb08ad773b0225232a899527298 Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 14 Nov 2018 21:18:22 +0100
-Subject: [PATCH 02/13] dcevm11 fixes
+Subject: [PATCH 02/17] dcevm11 fixes
 
 1. We need to set classRedefinitionCount on new class, not old class.
 
@@ -82,7 +82,7 @@ dmh
  19 files changed, 324 insertions(+), 415 deletions(-)
 
 diff --git a/src/hotspot/share/classfile/classFileParser.cpp b/src/hotspot/share/classfile/classFileParser.cpp
-index cd8f517e8be..1741f8b1167 100644
+index e2b8c5793d0..5e1c740a3d2 100644
 --- a/src/hotspot/share/classfile/classFileParser.cpp
 +++ b/src/hotspot/share/classfile/classFileParser.cpp
 @@ -954,6 +954,7 @@ void ClassFileParser::parse_interfaces(const ClassFileStream* const stream,
@@ -93,7 +93,7 @@ index cd8f517e8be..1741f8b1167 100644
        interf = (Klass *) maybe_newest(interf);
  
        if (!interf->is_interface()) {
-@@ -3749,6 +3750,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
+@@ -3828,6 +3829,7 @@ const InstanceKlass* ClassFileParser::parse_super_class(ConstantPool* const cp,
      // However, make sure it is not an array type.
      bool is_array = false;
      if (cp->tag_at(super_class_index).is_klass()) {
@@ -101,7 +101,7 @@ index cd8f517e8be..1741f8b1167 100644
        super_klass = InstanceKlass::cast(maybe_newest(cp->resolved_klass_at(super_class_index)));
        if (need_verify)
          is_array = super_klass->is_array_klass();
-@@ -4417,7 +4419,7 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
+@@ -4496,7 +4498,7 @@ void ClassFileParser::set_precomputed_flags(InstanceKlass* ik) {
    if (!_has_empty_finalizer) {
      if (_has_finalizer ||
          (super != NULL && super->has_finalizer())) {
@@ -111,10 +111,10 @@ index cd8f517e8be..1741f8b1167 100644
            ik->set_has_finalizer();
          }
 diff --git a/src/hotspot/share/classfile/classFileParser.hpp b/src/hotspot/share/classfile/classFileParser.hpp
-index 3db14b678f3..93ed54d8f70 100644
+index d792ab4bb3f..de48092bde8 100644
 --- a/src/hotspot/share/classfile/classFileParser.hpp
 +++ b/src/hotspot/share/classfile/classFileParser.hpp
-@@ -499,7 +499,7 @@ class ClassFileParser {
+@@ -503,7 +503,7 @@ class ClassFileParser {
                       FieldLayoutInfo* info,
                       TRAPS);
  
@@ -244,7 +244,7 @@ index e4a23e8a27c..bca73b5e0dc 100644
    for (int index = 0; index < table_size(); index++) {
      LoaderConstraintEntry** p = bucket_addr(index);
 diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
-index 9dbd6cc9c12..e70865109dd 100644
+index 669de5e56a5..e464b94b420 100644
 --- a/src/hotspot/share/classfile/systemDictionary.cpp
 +++ b/src/hotspot/share/classfile/systemDictionary.cpp
 @@ -876,7 +876,8 @@ Klass* SystemDictionary::resolve_instance_class_or_null(Symbol* name,
@@ -266,7 +266,7 @@ index 9dbd6cc9c12..e70865109dd 100644
    if (!DumpSharedSpaces) {
      k = SystemDictionaryShared::lookup_from_stream(class_name,
                                                     class_loader,
-@@ -1836,7 +1837,7 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
+@@ -1835,7 +1836,7 @@ void SystemDictionary::add_to_hierarchy(InstanceKlass* k, TRAPS) {
    CodeCache::flush_dependents_on(k);
  }
  
@@ -275,7 +275,7 @@ index 9dbd6cc9c12..e70865109dd 100644
  void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
      assert(k != NULL, "just checking");
  
-@@ -1844,6 +1845,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
+@@ -1843,6 +1844,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
    k->remove_from_sibling_list();
  }
  
@@ -376,7 +376,7 @@ index 47040d51f0c..4318df227d1 100644
    }
  
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index 7e44092f39b..cd5489955c8 100644
+index e9c1d4e5226..312d9af2527 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -178,6 +178,7 @@ bool InstanceKlass::has_nest_member(InstanceKlass* k, TRAPS) const {
@@ -442,7 +442,7 @@ index 7e44092f39b..cd5489955c8 100644
  //  if (this->old_version() != NULL) {
  //    InstanceKlass::cast(this->old_version())->remove_dependent_nmethod(nm, true);
  //    return;
-@@ -3582,6 +3593,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+@@ -3602,6 +3613,7 @@ void InstanceKlass::verify_on(outputStream* st) {
      }
  
      guarantee(sib->is_klass(), "should be klass");
@@ -463,7 +463,7 @@ index 2cc98b636f1..e8107a39813 100644
    // link this class into the implementors list of every interface it implements
    void process_interfaces(Thread *thread);
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 83c0952de37..92ce6c27b8a 100644
+index 80c31135487..43d761cdbb2 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -1,4 +1,4 @@
@@ -1394,7 +1394,7 @@ index 83c0952de37..92ce6c27b8a 100644
    ResourceMark mark(THREAD);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index b712d69a193..60b62c3170a 100644
+index 3f95cf42645..a48e07e3a6a 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -16,6 +16,8 @@

jb/project/tools/patches/dcevm/0003-Support-for-Concurrent-Mark-Sweep-CMS-collector.patch

@@ -1,7 +1,7 @@
-From 7fd25130005527d73d87ad0fe36b86795cfb1f4f Mon Sep 17 00:00:00 2001
+From dcf2c02f9ce950170b0e448b8ef3aceb19732a86 Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 12 Dec 2018 19:38:28 +0100
-Subject: [PATCH 03/13] Support for Concurrent Mark Sweep (CMS) collector
+Subject: [PATCH 03/17] Support for Concurrent Mark Sweep (CMS) collector
 
 ---
  .../share/gc/cms/compactibleFreeListSpace.cpp | 139 ++++++++++++------
@@ -17,7 +17,7 @@ Subject: [PATCH 03/13] Support for Concurrent Mark Sweep (CMS) collector
  10 files changed, 135 insertions(+), 79 deletions(-)
 
 diff --git a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
-index a93f764f1b9..efaa09473a9 100644
+index 4c9918627a2..f335173576f 100644
 --- a/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 +++ b/src/hotspot/share/gc/cms/compactibleFreeListSpace.cpp
 @@ -376,55 +376,58 @@ CompactibleFreeListSpace::CompactibleFreeListSpace(BlockOffsetSharedArray* bs, M
@@ -118,7 +118,7 @@ index a93f764f1b9..efaa09473a9 100644
      q->forward_to(oop(compact_top));
      assert(q->is_gc_marked(), "encoding the pointer should preserve the mark");
    } else {
-@@ -2196,13 +2199,60 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
+@@ -2209,13 +2212,60 @@ CompactibleFreeListSpace::refillLinearAllocBlock(LinearAllocBlock* blk) {
  
  // Support for compaction
  void CompactibleFreeListSpace::prepare_for_compaction(CompactPoint* cp) {
@@ -181,7 +181,7 @@ index a93f764f1b9..efaa09473a9 100644
  void CompactibleFreeListSpace::adjust_pointers() {
    // In other versions of adjust_pointers(), a bail out
    // based on the amount of live data in the generation
-@@ -2215,7 +2265,12 @@ void CompactibleFreeListSpace::adjust_pointers() {
+@@ -2228,7 +2278,12 @@ void CompactibleFreeListSpace::adjust_pointers() {
  }
  
  void CompactibleFreeListSpace::compact() {
@@ -253,10 +253,10 @@ index d0ff86c8215..b4ed59f020c 100644
      }
      _rescued_oops->clear();
 diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
-index 8aac2b39e1e..39364a64cb2 100644
+index 9779df92447..adb0f5dd25c 100644
 --- a/src/hotspot/share/gc/shared/gcConfig.cpp
 +++ b/src/hotspot/share/gc/shared/gcConfig.cpp
-@@ -101,7 +101,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
+@@ -106,7 +106,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
  }
  
  void GCConfig::select_gc_ergonomically() {
@@ -422,7 +422,7 @@ index 6b109fcd2e5..8c255d6d428 100644
          Klass* new_version = oop(cur_obj)->klass()->new_version();
          if (new_version->update_information() == NULL) {
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 92ce6c27b8a..41e82ae7a69 100644
+index 43d761cdbb2..14af1aad21b 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -54,6 +54,7 @@

jb/project/tools/patches/dcevm/0004-Fix-class-cast-exception-on-redefinition-of-class-A-.patch

@@ -1,7 +1,7 @@
-From 680002f81e4f143c8c4cbd36f9f6e20a0da007ae Mon Sep 17 00:00:00 2001
+From 663ccc831cc21ffddc5bc035de2c72666df00a4e Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <vladimir.dvorak@mailprofiler.com>
 Date: Wed, 11 Mar 2020 14:19:34 +0100
-Subject: [PATCH 04/13] Fix class cast exception on redefinition of class A,
+Subject: [PATCH 04/17] Fix class cast exception on redefinition of class A,
  that is superclass of B that has anonymous class C
 
 ---
@@ -9,7 +9,7 @@ Subject: [PATCH 04/13] Fix class cast exception on redefinition of class A,
  1 file changed, 4 insertions(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
-index cd5489955c8..889f228d087 100644
+index 312d9af2527..4312c2c4ca9 100644
 --- a/src/hotspot/share/oops/instanceKlass.cpp
 +++ b/src/hotspot/share/oops/instanceKlass.cpp
 @@ -788,7 +788,10 @@ bool InstanceKlass::link_class_impl(bool throw_verifyerror, TRAPS) {

jb/project/tools/patches/dcevm/0005-HotswapAgent-integration.patch

@@ -1,7 +1,7 @@
-From 4b8bc521e3e494da9761f904d2dabbd5810a4461 Mon Sep 17 00:00:00 2001
+From 25cb9b5fa97749d3bc13dc6c848c7eb9cc1b66bb Mon Sep 17 00:00:00 2001
 From: skybber <lada.dvorak7@gmail.com>
 Date: Wed, 14 Nov 2018 21:20:08 +0100
-Subject: [PATCH 05/13] HotswapAgent integration
+Subject: [PATCH 05/17] HotswapAgent integration
 
 It include:
 
@@ -259,16 +259,16 @@ index 7117fa78059..761a52d8466 100644
  
  # Hook to include the corresponding custom file, if present.
 diff --git a/make/launcher/Launcher-jdk.jconsole.gmk b/make/launcher/Launcher-jdk.jconsole.gmk
-index 6205ae63d16..5ca6a0c123b 100644
+index 575b9e0595b..9b38683a489 100644
 --- a/make/launcher/Launcher-jdk.jconsole.gmk
 +++ b/make/launcher/Launcher-jdk.jconsole.gmk
-@@ -28,7 +28,8 @@ include LauncherCommon.gmk
- $(eval $(call SetupBuildLauncher, jconsole, \
+@@ -29,7 +29,8 @@ $(eval $(call SetupBuildLauncher, jconsole, \
      MAIN_CLASS := sun.tools.jconsole.JConsole, \
      JAVA_ARGS := --add-opens java.base/java.io=jdk.jconsole \
--		 -Djconsole.showOutputViewer, \
-+      -Djconsole.showOutputViewer \
-+      -XX:+DisableHotswapAgent, \
+ 		 -Djconsole.showOutputViewer \
+-		 -Djdk.attach.allowAttachSelf=true, \
++		 -Djdk.attach.allowAttachSelf=true \
++		 -XX:+DisableHotswapAgent, \
      CFLAGS_windows := -DJAVAW, \
      LIBS_windows := user32.lib, \
  ))
@@ -392,7 +392,7 @@ index 82311e69fd6..bd39f8595b2 100644
      CFLAGS := -DENABLE_ARG_FILES, \
  ))
 diff --git a/src/hotspot/share/classfile/vmSymbols.hpp b/src/hotspot/share/classfile/vmSymbols.hpp
-index 6e0b95ef5e8..8e0f1610f31 100644
+index 41e9a84cd69..1f67eb202b5 100644
 --- a/src/hotspot/share/classfile/vmSymbols.hpp
 +++ b/src/hotspot/share/classfile/vmSymbols.hpp
 @@ -342,6 +342,7 @@
@@ -513,7 +513,7 @@ index cc7f71a4404..b2bab2e1f44 100644
    static size_t max_heap_for_compressed_oops();
  
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index ab5d08390ff..7720ceebc81 100644
+index 7b061359c1d..fc0405b5df2 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
 @@ -32,6 +32,12 @@
@@ -529,7 +529,7 @@ index ab5d08390ff..7720ceebc81 100644
  // The larger HeapWordSize for 64bit requires larger heaps
  // for the same application running in 64bit.  See bug 4967770.
  // The minimum alignment to a heap word size is done.  Other
-@@ -2675,8 +2681,10 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+@@ -2678,8 +2684,10 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
                                                                              \
    product(bool, AllowEnhancedClassRedefinition, true,                       \
               "Allow enhanced class redefinition beyond swapping method "    \

jb/project/tools/patches/dcevm/0006-Support-for-Lambda-class-redefinition.patch

@@ -1,7 +1,7 @@
-From 1f0bf4680faa58c5d234cac5440da4cf671e6291 Mon Sep 17 00:00:00 2001
+From 28d352b4b7cda96a37f95d75cf576570271157e3 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sun, 4 Oct 2020 21:12:12 +0200
-Subject: [PATCH 06/13] Support for Lambda class redefinition
+Subject: [PATCH 06/17] Support for Lambda class redefinition
 
 ---
  .../share/classfile/classLoaderData.cpp       |  9 +++
@@ -47,7 +47,7 @@ index 7e357929971..00a84610b43 100644
  
    void unload();
 diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
-index e70865109dd..cc9f1fa7831 100644
+index e464b94b420..791b49c68ad 100644
 --- a/src/hotspot/share/classfile/systemDictionary.cpp
 +++ b/src/hotspot/share/classfile/systemDictionary.cpp
 @@ -971,12 +971,16 @@ InstanceKlass* SystemDictionary::parse_stream(Symbol* class_name,
@@ -81,7 +81,7 @@ index e70865109dd..cc9f1fa7831 100644
  
    if (host_klass != NULL && k != NULL) {
      // Anonymous classes must update ClassLoaderData holder (was host_klass loader)
-@@ -1845,7 +1853,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
+@@ -1844,7 +1852,7 @@ void SystemDictionary::remove_from_hierarchy(InstanceKlass* k) {
    k->remove_from_sibling_list();
  }
  
@@ -91,10 +91,10 @@ index e70865109dd..cc9f1fa7831 100644
    constraints()->update_after_redefinition();
  }
 diff --git a/src/hotspot/share/classfile/systemDictionary.hpp b/src/hotspot/share/classfile/systemDictionary.hpp
-index 717f34ce9a0..dc111846c12 100644
+index 06f6c869d63..1dbbffa197f 100644
 --- a/src/hotspot/share/classfile/systemDictionary.hpp
 +++ b/src/hotspot/share/classfile/systemDictionary.hpp
-@@ -301,6 +301,7 @@ public:
+@@ -304,6 +304,7 @@ public:
                          protection_domain,
                          st,
                          NULL, // host klass
@@ -102,7 +102,7 @@ index 717f34ce9a0..dc111846c12 100644
                          NULL, // cp_patches
                          THREAD);
    }
-@@ -309,6 +310,7 @@ public:
+@@ -312,6 +313,7 @@ public:
                                       Handle protection_domain,
                                       ClassFileStream* st,
                                       const InstanceKlass* host_klass,
@@ -111,7 +111,7 @@ index 717f34ce9a0..dc111846c12 100644
                                       TRAPS);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 41e82ae7a69..b94caa39562 100644
+index 14af1aad21b..0b239b2ff6d 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -488,6 +488,8 @@ void VM_EnhancedRedefineClasses::doit() {
@@ -208,7 +208,7 @@ index 41e82ae7a69..b94caa39562 100644
  
    // Sort the affected klasses such that a supertype is always on a smaller array index than its subtype.
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index 60b62c3170a..d8a11b51fe9 100644
+index a48e07e3a6a..3551b06ecde 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -116,6 +116,7 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {

jb/project/tools/patches/dcevm/0007-Fix-no-original-bytecode-found-error-if-method-with-.patch

@@ -1,7 +1,7 @@
-From 278abd7996ebb06b3a217b7c677ed947020bbeae Mon Sep 17 00:00:00 2001
+From 3b6c7d2f807857712df6fd51a36a5a906b705f57 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sat, 23 May 2020 10:02:15 +0200
-Subject: [PATCH 07/13] Fix "no original bytecode found" error if method with
+Subject: [PATCH 07/17] Fix "no original bytecode found" error if method with
  bkp is missing
 
 Sometimes IDE can deploy class with erroneous method, such method has
@@ -102,7 +102,7 @@ index 4533476ff8f..193e1845b23 100644
    void set_breakpoint(int bci);
    void clear_breakpoint(int bci);
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index b94caa39562..1fbba406087 100644
+index 0b239b2ff6d..aba99bb60fa 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -1356,14 +1356,16 @@ void VM_EnhancedRedefineClasses::unpatch_bytecode(Method* method) {

jb/project/tools/patches/dcevm/0008-Replace-deleted-method-with-Universe-throw_no_such_m.patch

@@ -1,7 +1,7 @@
-From 198a6a93669a1957f472b25afa89b7fe354ceb8f Mon Sep 17 00:00:00 2001
+From 102b7a0ba69c1411ec926985c79a36a2fc1978dd Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sun, 24 May 2020 12:07:42 +0200
-Subject: [PATCH 08/13] Replace deleted method with
+Subject: [PATCH 08/17] Replace deleted method with
  Universe::throw_no_such_method_error
 
 ---

jb/project/tools/patches/dcevm/0009-Support-for-G1-gc.patch

@@ -1,7 +1,7 @@
-From 65ff0a93f95b86fe7a53c571d34c9cc478cb701a Mon Sep 17 00:00:00 2001
+From a89a7aad1d44b540e4704332939d639e66392bd5 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Fri, 12 Jun 2020 17:43:52 +0200
-Subject: [PATCH 09/13] Support for G1 gc
+Subject: [PATCH 09/17] Support for G1 gc
 
 ---
  src/hotspot/share/gc/g1/g1CollectedHeap.cpp   |  20 +++
@@ -990,10 +990,10 @@ index 00000000000..e2ef0171fb2
 +
 +#endif
 diff --git a/src/hotspot/share/gc/shared/gcConfig.cpp b/src/hotspot/share/gc/shared/gcConfig.cpp
-index 39364a64cb2..945b06ad2a4 100644
+index adb0f5dd25c..20e0ef9ee8a 100644
 --- a/src/hotspot/share/gc/shared/gcConfig.cpp
 +++ b/src/hotspot/share/gc/shared/gcConfig.cpp
-@@ -101,7 +101,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
+@@ -106,7 +106,7 @@ void GCConfig::fail_if_unsupported_gc_is_selected() {
  }
  
  void GCConfig::select_gc_ergonomically() {
@@ -1040,7 +1040,7 @@ index d0a6d665aa0..3dc4cc1323c 100644
    SystemDictionary::oops_do(oopClosure);
  }
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index 1fbba406087..e67fc2dd58f 100644
+index aba99bb60fa..8b6fad2128e 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -36,7 +36,6 @@
@@ -1244,7 +1244,7 @@ index 1fbba406087..e67fc2dd58f 100644
    ResourceMark mark(THREAD);
  
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
-index d8a11b51fe9..9755944d70b 100644
+index 3551b06ecde..62a0fbf54d4 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
 @@ -86,9 +86,10 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {

jb/project/tools/patches/dcevm/0010-Change-log-level-in-advanced-redefinition.patch

@@ -1,7 +1,7 @@
-From eaba630276969a0ebbb410716bae44875c6c75a2 Mon Sep 17 00:00:00 2001
+From 2c6512bb54400e3836a3c348c10c78557c1abbf5 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Sat, 13 Jun 2020 18:50:59 +0200
-Subject: [PATCH 10/13] Change log level in advanced redefinition
+Subject: [PATCH 10/17] Change log level in advanced redefinition
 
 - Change log level for "Comparing different class ver.." to debug
 - Fix adjust_method_entries_dcevm logging levels and severity
@@ -11,7 +11,7 @@ Subject: [PATCH 10/13] Change log level in advanced redefinition
  2 files changed, 3 insertions(+), 3 deletions(-)
 
 diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
-index e67fc2dd58f..5be9bb74305 100644
+index 8b6fad2128e..a8adfa5af47 100644
 --- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 +++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
 @@ -915,7 +915,7 @@ jvmtiError VM_EnhancedRedefineClasses::load_new_class_versions(TRAPS) {

jb/project/tools/patches/dcevm/0011-AllowEnhancedClassRedefinition-is-false-disabled-by-.patch

@@ -1,7 +1,7 @@
-From 5b4b2a8af787fed3cdaee5c603dd7fe99246dae2 Mon Sep 17 00:00:00 2001
+From 9c8d44a088bfd73f9be3678110a67a5ed8954c8a Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Tue, 6 Oct 2020 22:15:31 +0200
-Subject: [PATCH 11/13] AllowEnhancedClassRedefinition is false (disabled) by
+Subject: [PATCH 11/17] AllowEnhancedClassRedefinition is false (disabled) by
  default
 
 ---
@@ -9,10 +9,10 @@ Subject: [PATCH 11/13] AllowEnhancedClassRedefinition is false (disabled) by
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/src/hotspot/share/runtime/globals.hpp b/src/hotspot/share/runtime/globals.hpp
-index 7720ceebc81..f7e3fd04593 100644
+index fc0405b5df2..607a39449dc 100644
 --- a/src/hotspot/share/runtime/globals.hpp
 +++ b/src/hotspot/share/runtime/globals.hpp
-@@ -2679,7 +2679,7 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
+@@ -2682,7 +2682,7 @@ define_pd_global(uint64_t,MaxRAM,                    1ULL*G);
    experimental(bool, UseFastUnorderedTimeStamps, false,                     \
            "Use platform unstable time where supported for timestamps only") \
                                                                              \

jb/project/tools/patches/dcevm/0012-add-jvmtiEnhancedRedefineClasses.-to-CMakeLists.txt.patch

@@ -1,7 +1,7 @@
-From 27935fd012ac48b5b360cae224d2a9cc63012433 Mon Sep 17 00:00:00 2001
+From 69bc6c03ad25d485182d1b17f265a59ff98e3352 Mon Sep 17 00:00:00 2001
 From: Artem Khvastunov <artem.khvastunov@jetbrains.com>
 Date: Tue, 14 Apr 2020 19:11:35 +0200
-Subject: [PATCH 12/13] add jvmtiEnhancedRedefineClasses.* to CMakeLists.txt
+Subject: [PATCH 12/17] add jvmtiEnhancedRedefineClasses.* to CMakeLists.txt
 
 ---
  jb/project/hotspot-cmake/CMakeLists.txt | 2 ++

jb/project/tools/patches/dcevm/0013-Set-HOTSPOT_VM_DISTRO-Dynamic-Code-Evolution.patch

@@ -1,14 +1,14 @@
-From 82c3c60345b38acd04e6f1aea7d43e9283a71b8f Mon Sep 17 00:00:00 2001
+From 5e66d1cd39dcae56adfa3a4785e8da47218d7b72 Mon Sep 17 00:00:00 2001
 From: Vladimir Dvorak <lada.dvorak7@gmail.com>
 Date: Mon, 19 Oct 2020 20:00:04 +0200
-Subject: [PATCH 13/13] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
+Subject: [PATCH 13/17] Set HOTSPOT_VM_DISTRO=Dynamic Code Evolution
 
 ---
  make/autoconf/version-numbers | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)
 
 diff --git a/make/autoconf/version-numbers b/make/autoconf/version-numbers
-index 6e7a13956b2..47ec50e6d22 100644
+index bb9d863c992..e462ab57217 100644
 --- a/make/autoconf/version-numbers
 +++ b/make/autoconf/version-numbers
 @@ -44,7 +44,7 @@ PRODUCT_NAME=OpenJDK

jb/project/tools/patches/dcevm/0014-Fix-G1-nmethod-registration.patch

@@ -0,0 +1,71 @@
+From 5b1408b47bd86a5bd2a4aa1f39705687efc73223 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Sun, 11 Oct 2020 10:43:28 +0200
+Subject: [PATCH 14/17] Fix G1 nmethod registration
+
+---
+ .../prims/jvmtiEnhancedRedefineClasses.cpp    | 19 ++++++++++++++++---
+ .../prims/jvmtiEnhancedRedefineClasses.hpp    |  3 ++-
+ 2 files changed, 18 insertions(+), 4 deletions(-)
+
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+index a8adfa5af47..4ee12b7021f 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.cpp
+@@ -217,7 +217,14 @@ void VM_EnhancedRedefineClasses::mark_as_scavengable(nmethod* nm) {
+   }
+ }
+ 
+-void VM_EnhancedRedefineClasses::mark_as_scavengable_g1(nmethod* nm) {
++void VM_EnhancedRedefineClasses::unregister_nmethod_g1(nmethod* nm) {
++  // It should work not only for G1 but also for another GCs, but this way is safer now
++  if (!nm->is_zombie() && !nm->is_unloaded()) {
++    Universe::heap()->unregister_nmethod(nm);
++  }
++}
++
++void VM_EnhancedRedefineClasses::register_nmethod_g1(nmethod* nm) {
+   // It should work not only for G1 but also for another GCs, but this way is safer now
+   if (!nm->is_zombie() && !nm->is_unloaded()) {
+     Universe::heap()->register_nmethod(nm);
+@@ -520,8 +527,9 @@ void VM_EnhancedRedefineClasses::doit() {
+     // For now, mark all nmethod's as scavengable that are not scavengable already
+     if (ScavengeRootsInCode) {
+       if (UseG1GC) {
+-        // this should work also for other GCs
+-        CodeCache::nmethods_do(mark_as_scavengable_g1);
++        // G1 holds references to nmethods in regions based on oops values. Since oops in nmethod can be changed in ChangePointers* closures
++        // we unregister nmethods from G1 heap, then closures are processed (oops are changed) and finally we register nmethod to G1 again
++        CodeCache::nmethods_do(unregister_nmethod_g1);
+       } else {
+         CodeCache::nmethods_do(mark_as_scavengable);
+       }
+@@ -544,6 +552,11 @@ void VM_EnhancedRedefineClasses::doit() {
+ 
+     Universe::root_oops_do(&oopClosureNoBarrier);
+ 
++    if (UseG1GC) {
++      // this should work also for other GCs
++      CodeCache::nmethods_do(register_nmethod_g1);
++    }
++
+   }
+   log_trace(redefine, class, obsolete, metadata)("After updating instances");
+ 
+diff --git a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+index 62a0fbf54d4..d00109a0b92 100644
+--- a/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
++++ b/src/hotspot/share/prims/jvmtiEnhancedRedefineClasses.hpp
+@@ -116,7 +116,8 @@ class VM_EnhancedRedefineClasses: public VM_GC_Operation {
+ 
+   void rollback();
+   static void mark_as_scavengable(nmethod* nm);
+-  static void mark_as_scavengable_g1(nmethod* nm);
++  static void unregister_nmethod_g1(nmethod* nm);
++  static void register_nmethod_g1(nmethod* nm);
+   static void unpatch_bytecode(Method* method);
+   static void fix_invoke_method(Method* method);
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0015-Initialize-method-s-_new_version-_old_version-to-NUL.patch

@@ -0,0 +1,26 @@
+From c5bae0e9c9c0b0a6e05a966648fb2ddaf9a16564 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Thu, 22 Oct 2020 20:15:20 +0200
+Subject: [PATCH 15/17] Initialize method's _new_version/_old_version to NULL
+
+---
+ src/hotspot/share/oops/method.cpp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/src/hotspot/share/oops/method.cpp b/src/hotspot/share/oops/method.cpp
+index 031f255e632..a9556ecf0c4 100644
+--- a/src/hotspot/share/oops/method.cpp
++++ b/src/hotspot/share/oops/method.cpp
+@@ -83,7 +83,8 @@ Method* Method::allocate(ClassLoaderData* loader_data,
+   return new (loader_data, size, MetaspaceObj::MethodType, THREAD) Method(cm, access_flags);
+ }
+ 
+-Method::Method(ConstMethod* xconst, AccessFlags access_flags) {
++Method::Method(ConstMethod* xconst, AccessFlags access_flags) :  _new_version(NULL),
++                                                                 _old_version(NULL) {
+   NoSafepointVerifier no_safepoint;
+   set_constMethod(xconst);
+   set_access_flags(access_flags);
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0016-Clear-dcevm-code-separation.patch

@@ -0,0 +1,191 @@
+From 5504812403a0673c428fc5589cd94f2c3fea7616 Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Fri, 23 Oct 2020 10:20:26 +0200
+Subject: [PATCH 16/17] Clear dcevm code separation
+
+---
+ src/hotspot/share/classfile/systemDictionary.cpp   |  4 ++--
+ src/hotspot/share/gc/serial/genMarkSweep.cpp       |  8 +++++---
+ src/hotspot/share/interpreter/linkResolver.cpp     | 14 ++++++++++----
+ .../instrumentation/jfrEventClassTransformer.cpp   |  2 +-
+ src/hotspot/share/oops/instanceKlass.cpp           | 10 ++++++----
+ src/hotspot/share/oops/method.cpp                  |  2 +-
+ src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp  |  2 +-
+ src/hotspot/share/runtime/reflection.cpp           |  2 +-
+ 8 files changed, 27 insertions(+), 17 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/systemDictionary.cpp b/src/hotspot/share/classfile/systemDictionary.cpp
+index 791b49c68ad..011a14eab32 100644
+--- a/src/hotspot/share/classfile/systemDictionary.cpp
++++ b/src/hotspot/share/classfile/systemDictionary.cpp
+@@ -1152,7 +1152,7 @@ InstanceKlass* SystemDictionary::resolve_from_stream(Symbol* class_name,
+     MutexLocker mu(SystemDictionary_lock, THREAD);
+ 
+     Klass* check = find_class(h_name, k->class_loader_data());
+-    assert((check == k && !k->is_redefining()) || (k->is_redefining() && check == k->old_version()), "should be present in the dictionary");
++    assert(check == k && !k->is_redefining() || k->is_redefining() && check == k->old_version(), "should be present in the dictionary");
+   } );
+ 
+   return k;
+@@ -2153,7 +2153,7 @@ void SystemDictionary::check_constraints(unsigned int d_hash,
+       // also hold array classes.
+ 
+       assert(check->is_instance_klass(), "noninstance in systemdictionary");
+-      if ((defining == true) || ((k != check) && k->old_version() != check)) {
++      if ((defining == true) || (k != check && (!AllowEnhancedClassRedefinition || k->old_version() != check))) {
+         throwException = true;
+         ss.print("loader %s", loader_data->loader_name_and_id());
+         ss.print(" attempted duplicate %s definition for %s. (%s)",
+diff --git a/src/hotspot/share/gc/serial/genMarkSweep.cpp b/src/hotspot/share/gc/serial/genMarkSweep.cpp
+index b18682f9a12..590b5389b4d 100644
+--- a/src/hotspot/share/gc/serial/genMarkSweep.cpp
++++ b/src/hotspot/share/gc/serial/genMarkSweep.cpp
+@@ -343,7 +343,9 @@ void GenMarkSweep::mark_sweep_phase4() {
+ 
+   GenCompactClosure blk;
+   gch->generation_iterate(&blk, true);
+-  DcevmSharedGC::copy_rescued_objects_back(MarkSweep::_rescued_oops, true);
+-  DcevmSharedGC::clear_rescued_objects_resource(MarkSweep::_rescued_oops);
+-  MarkSweep::_rescued_oops = NULL;
++  if (AllowEnhancedClassRedefinition) {
++    DcevmSharedGC::copy_rescued_objects_back(MarkSweep::_rescued_oops, true);
++    DcevmSharedGC::clear_rescued_objects_resource(MarkSweep::_rescued_oops);
++    MarkSweep::_rescued_oops = NULL;
++  }
+ }
+diff --git a/src/hotspot/share/interpreter/linkResolver.cpp b/src/hotspot/share/interpreter/linkResolver.cpp
+index 9dc184d02f5..bff1c3627b0 100644
+--- a/src/hotspot/share/interpreter/linkResolver.cpp
++++ b/src/hotspot/share/interpreter/linkResolver.cpp
+@@ -295,8 +295,13 @@ void LinkResolver::check_klass_accessability(Klass* ref_klass, Klass* sel_klass,
+       return;  // no relevant check to do
+     }
+   }
+-  Reflection::VerifyClassAccessResults vca_result =
+-    Reflection::verify_class_access(ref_klass->newest_version(), InstanceKlass::cast(base_klass->newest_version()), true);
++  Klass* refKlassNewest = ref_klass;
++  Klass* baseKlassNewest = base_klass;
++  if (AllowEnhancedClassRedefinition) {
++    refKlassNewest = ref_klass->newest_version();
++    baseKlassNewest = base_klass->newest_version();
++  }
++  Reflection::VerifyClassAccessResults vca_result = Reflection::verify_class_access(refKlassNewest, InstanceKlass::cast(baseKlassNewest), true);
+   if (vca_result != Reflection::ACCESS_OK) {
+     ResourceMark rm(THREAD);
+     char* msg = Reflection::verify_class_access_msg(ref_klass,
+@@ -572,7 +577,8 @@ void LinkResolver::check_method_accessability(Klass* ref_klass,
+   // We'll check for the method name first, as that's most likely
+   // to be false (so we'll short-circuit out of these tests).
+   if (sel_method->name() == vmSymbols::clone_name() &&
+-      sel_klass->newest_version() == SystemDictionary::Object_klass()->newest_version() &&
++      ( !AllowEnhancedClassRedefinition && sel_klass == SystemDictionary::Object_klass() ||
++      AllowEnhancedClassRedefinition && sel_klass->newest_version() == SystemDictionary::Object_klass()->newest_version()) &&
+       resolved_klass->is_array_klass()) {
+     // We need to change "protected" to "public".
+     assert(flags.is_protected(), "clone not protected?");
+@@ -997,7 +1003,7 @@ void LinkResolver::resolve_field(fieldDescriptor& fd,
+       ResourceMark rm(THREAD);
+       stringStream ss;
+ 
+-      if (sel_klass != current_klass && sel_klass != current_klass->active_version()) {
++      if (sel_klass != current_klass && (!AllowEnhancedClassRedefinition || sel_klass != current_klass->active_version())) {
+         ss.print("Update to %s final field %s.%s attempted from a different class (%s) than the field's declaring class",
+                  is_static ? "static" : "non-static", resolved_klass->external_name(), fd.name()->as_C_string(),
+                 current_klass->external_name());
+diff --git a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+index 8afe8985026..4e7b39406fa 100644
+--- a/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
++++ b/src/hotspot/share/jfr/instrumentation/jfrEventClassTransformer.cpp
+@@ -1467,7 +1467,7 @@ static InstanceKlass* create_new_instance_klass(InstanceKlass* ik, ClassFileStre
+                              NULL, // host klass
+                              NULL, // cp_patches
+                              ClassFileParser::INTERNAL, // internal visibility
+-							 false,
++                             false,
+                              THREAD);
+   if (HAS_PENDING_EXCEPTION) {
+     log_pending_exception(PENDING_EXCEPTION);
+diff --git a/src/hotspot/share/oops/instanceKlass.cpp b/src/hotspot/share/oops/instanceKlass.cpp
+index 4312c2c4ca9..7335f0cffc9 100644
+--- a/src/hotspot/share/oops/instanceKlass.cpp
++++ b/src/hotspot/share/oops/instanceKlass.cpp
+@@ -178,7 +178,9 @@ bool InstanceKlass::has_nest_member(InstanceKlass* k, TRAPS) const {
+       }
+ 
+       Klass* k2 = _constants->klass_at(cp_index, CHECK_false);
+-      k2 = k2->newest_version();
++      if (AllowEnhancedClassRedefinition) {
++        k2 = k2->newest_version();
++      }
+       if (k2 == k) {
+         log_trace(class, nestmates)("- class is listed as a nest member");
+         return true;
+@@ -837,7 +839,7 @@ bool InstanceKlass::link_class_impl(bool throw_verifyerror, TRAPS) {
+ #endif
+       set_init_state(linked);
+       // (DCEVM) Must check for old version in order to prevent infinite loops.
+-      if (JvmtiExport::should_post_class_prepare() && old_version() == NULL /* JVMTI deadlock otherwise */) {
++      if (JvmtiExport::should_post_class_prepare() && (!AllowEnhancedClassRedefinition || old_version() == NULL) /* JVMTI deadlock otherwise */) {
+         Thread *thread = THREAD;
+         assert(thread->is_Java_thread(), "thread->is_Java_thread()");
+         JvmtiExport::post_class_prepare((JavaThread *) thread, this);
+@@ -919,7 +921,7 @@ void InstanceKlass::initialize_impl(TRAPS) {
+     // that aren't expected to throw.  This would wreak havoc.  See 6320309.
+     // (DCEVM) Wait also for the old class version to be fully initialized.
+     while((is_being_initialized() && !is_reentrant_initialization(self))
+-        || (old_version() != NULL && InstanceKlass::cast(old_version())->is_being_initialized())) {
++        || (AllowEnhancedClassRedefinition && old_version() != NULL && InstanceKlass::cast(old_version())->is_being_initialized())) {
+         wait = true;
+       ol.waitUninterruptibly(CHECK);
+     }
+@@ -3617,7 +3619,7 @@ void InstanceKlass::verify_on(outputStream* st) {
+ 
+     guarantee(sib->is_klass(), "should be klass");
+     // TODO: (DCEVM) explain
+-    guarantee(sib->super() == super || super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
++    guarantee(sib->super() == super || AllowEnhancedClassRedefinition && super->newest_version() == SystemDictionary::Object_klass(), "siblings should have same superklass");
+   }
+ 
+   // Verify implementor fields requires the Compile_lock, but this is sometimes
+diff --git a/src/hotspot/share/oops/method.cpp b/src/hotspot/share/oops/method.cpp
+index a9556ecf0c4..6c7edaca67e 100644
+--- a/src/hotspot/share/oops/method.cpp
++++ b/src/hotspot/share/oops/method.cpp
+@@ -2100,7 +2100,7 @@ void Method::ensure_jmethod_ids(ClassLoaderData* loader_data, int capacity) {
+ // Add a method id to the jmethod_ids
+ jmethodID Method::make_jmethod_id(ClassLoaderData* loader_data, Method* m) {
+   // FIXME: (DCEVM) ???
+-  if (m != m->newest_version()) {
++  if (AllowEnhancedClassRedefinition && m != m->newest_version()) {
+     m = m->newest_version();
+   }
+   ClassLoaderData* cld = loader_data;
+diff --git a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+index 60604c645ff..325bffb7ad0 100644
+--- a/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiGetLoadedClasses.cpp
+@@ -51,7 +51,7 @@ public:
+     //         the new version (SystemDictionary stores only new versions). But the LoadedClassesClosure's functionality was
+     //         changed in java8  where jvmtiLoadedClasses collects all classes from all classloaders, therefore we
+     //         must use new versions only.
+-    if (k->new_version()==NULL) {
++    if (AllowEnhancedClassRedefinition && k->new_version()==NULL) {
+       _classStack.push((jclass) _env->jni_reference(Handle(_cur_thread, k->java_mirror())));
+     }
+   }
+diff --git a/src/hotspot/share/runtime/reflection.cpp b/src/hotspot/share/runtime/reflection.cpp
+index ed789b0bc2b..06f60855655 100644
+--- a/src/hotspot/share/runtime/reflection.cpp
++++ b/src/hotspot/share/runtime/reflection.cpp
+@@ -660,7 +660,7 @@ bool Reflection::verify_member_access(const Klass* current_class,
+                                       TRAPS) {
+ 
+   // (DCEVM) Decide accessibility based on active version
+-  if (current_class != NULL) {
++  if (AllowEnhancedClassRedefinition && current_class != NULL) {
+     current_class = current_class->active_version();
+   }
+ 
+-- 
+2.23.0
+

jb/project/tools/patches/dcevm/0017-Fix-metadataOnStack-bug.patch

@@ -0,0 +1,160 @@
+From a9bc3c0b7acfe8432f4f50362df3d8f95d7b5d9d Mon Sep 17 00:00:00 2001
+From: Vladimir Dvorak <lada.dvorak7@gmail.com>
+Date: Fri, 23 Oct 2020 11:07:40 +0200
+Subject: [PATCH 17/17] Fix metadataOnStack bug
+
+---
+ .../share/classfile/classLoaderData.cpp       |  7 +-
+ .../share/classfile/metadataOnStackMark.cpp   | 67 ++++++++++---------
+ .../share/classfile/metadataOnStackMark.hpp   |  3 +-
+ .../share/prims/jvmtiRedefineClasses.cpp      |  2 +-
+ 4 files changed, 41 insertions(+), 38 deletions(-)
+
+diff --git a/src/hotspot/share/classfile/classLoaderData.cpp b/src/hotspot/share/classfile/classLoaderData.cpp
+index 1bc67adf5a7..bba5ce0511f 100644
+--- a/src/hotspot/share/classfile/classLoaderData.cpp
++++ b/src/hotspot/share/classfile/classLoaderData.cpp
+@@ -1398,13 +1398,10 @@ bool ClassLoaderDataGraph::do_unloading(bool clean_previous_versions) {
+   // Klassesoto delete.
+ 
+   // FIXME: dcevm - block asserts in MetadataOnStackMark
+-  bool walk_all_metadata = false;
+-  if (!AllowEnhancedClassRedefinition) {
+-    walk_all_metadata = clean_previous_versions &&
++  bool walk_all_metadata = clean_previous_versions &&
+                              JvmtiExport::has_redefined_a_class() &&
+                              InstanceKlass::has_previous_versions_and_reset();
+-    MetadataOnStackMark md_on_stack(walk_all_metadata);
+-  }
++  MetadataOnStackMark md_on_stack(walk_all_metadata, AllowEnhancedClassRedefinition);
+ 
+   // Save previous _unloading pointer for CMS which may add to unloading list before
+   // purging and we don't want to rewalk the previously unloaded class loader data.
+diff --git a/src/hotspot/share/classfile/metadataOnStackMark.cpp b/src/hotspot/share/classfile/metadataOnStackMark.cpp
+index 3a62c789702..9d7bdbde74b 100644
+--- a/src/hotspot/share/classfile/metadataOnStackMark.cpp
++++ b/src/hotspot/share/classfile/metadataOnStackMark.cpp
+@@ -46,23 +46,25 @@ NOT_PRODUCT(bool MetadataOnStackMark::_is_active = false;)
+ // it.  Class unloading only deletes in-error class files, methods created by
+ // the relocator and dummy constant pools.  None of these appear anywhere except
+ // in metadata Handles.
+-MetadataOnStackMark::MetadataOnStackMark(bool redefinition_walk) {
++MetadataOnStackMark::MetadataOnStackMark(bool redefinition_walk, bool ignore) : _ignore(ignore) {
+   assert(SafepointSynchronize::is_at_safepoint(), "sanity check");
+   assert(_used_buffers == NULL, "sanity check");
+   assert(!_is_active, "MetadataOnStackMarks do not nest");
+   NOT_PRODUCT(_is_active = true;)
+ 
+-  Threads::metadata_handles_do(Metadata::mark_on_stack);
++  if (!ignore) {
++    Threads::metadata_handles_do(Metadata::mark_on_stack);
+ 
+-  if (redefinition_walk) {
+-    Threads::metadata_do(Metadata::mark_on_stack);
+-    CodeCache::metadata_do(Metadata::mark_on_stack);
+-    CompileBroker::mark_on_stack();
+-    JvmtiCurrentBreakpoints::metadata_do(Metadata::mark_on_stack);
+-    ThreadService::metadata_do(Metadata::mark_on_stack);
++    if (redefinition_walk) {
++      Threads::metadata_do(Metadata::mark_on_stack);
++      CodeCache::metadata_do(Metadata::mark_on_stack);
++      CompileBroker::mark_on_stack();
++      JvmtiCurrentBreakpoints::metadata_do(Metadata::mark_on_stack);
++      ThreadService::metadata_do(Metadata::mark_on_stack);
+ #if INCLUDE_JVMCI
+-    JVMCIRuntime::metadata_do(Metadata::mark_on_stack);
++      JVMCIRuntime::metadata_do(Metadata::mark_on_stack);
+ #endif
++    }
+   }
+ }
+ 
+@@ -71,32 +73,35 @@ MetadataOnStackMark::~MetadataOnStackMark() {
+   // Unmark everything that was marked.   Can't do the same walk because
+   // redefine classes messes up the code cache so the set of methods
+   // might not be the same.
+-  retire_current_buffer();
+-
+-  MetadataOnStackBuffer* buffer = _used_buffers;
+-  while (buffer != NULL) {
+-    // Clear on stack state for all metadata.
+-    size_t size = buffer->size();
+-    for (size_t i  = 0; i < size; i++) {
+-      Metadata* md = buffer->at(i);
+-      md->set_on_stack(false);
++  if (!_ignore)
++  {
++    retire_current_buffer();
++
++    MetadataOnStackBuffer* buffer = _used_buffers;
++    while (buffer != NULL) {
++      // Clear on stack state for all metadata.
++      size_t size = buffer->size();
++      for (size_t i  = 0; i < size; i++) {
++        Metadata* md = buffer->at(i);
++        md->set_on_stack(false);
++      }
++
++      MetadataOnStackBuffer* next = buffer->next_used();
++
++      // Move the buffer to the free list.
++      buffer->clear();
++      buffer->set_next_used(NULL);
++      buffer->set_next_free(_free_buffers);
++      _free_buffers = buffer;
++
++      // Step to next used buffer.
++      buffer = next;
+     }
+ 
+-    MetadataOnStackBuffer* next = buffer->next_used();
+-
+-    // Move the buffer to the free list.
+-    buffer->clear();
+-    buffer->set_next_used(NULL);
+-    buffer->set_next_free(_free_buffers);
+-    _free_buffers = buffer;
++    _used_buffers = NULL;
+ 
+-    // Step to next used buffer.
+-    buffer = next;
++    NOT_PRODUCT(_is_active = false;)
+   }
+-
+-  _used_buffers = NULL;
+-
+-  NOT_PRODUCT(_is_active = false;)
+ }
+ 
+ void MetadataOnStackMark::retire_buffer(MetadataOnStackBuffer* buffer) {
+diff --git a/src/hotspot/share/classfile/metadataOnStackMark.hpp b/src/hotspot/share/classfile/metadataOnStackMark.hpp
+index 8da4ac6f92b..6d327ab98f2 100644
+--- a/src/hotspot/share/classfile/metadataOnStackMark.hpp
++++ b/src/hotspot/share/classfile/metadataOnStackMark.hpp
+@@ -47,8 +47,9 @@ class MetadataOnStackMark : public StackObj {
+   static MetadataOnStackBuffer* allocate_buffer();
+   static void retire_buffer(MetadataOnStackBuffer* buffer);
+ 
++  bool _ignore;
+  public:
+-  MetadataOnStackMark(bool redefinition_walk);
++  MetadataOnStackMark(bool redefinition_walk, bool ignore);
+    ~MetadataOnStackMark();
+ 
+   static void record(Metadata* m);
+diff --git a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+index 1b2070d686f..1178c863c30 100644
+--- a/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
++++ b/src/hotspot/share/prims/jvmtiRedefineClasses.cpp
+@@ -199,7 +199,7 @@ void VM_RedefineClasses::doit() {
+ 
+   // Mark methods seen on stack and everywhere else so old methods are not
+   // cleaned up if they're on the stack.
+-  MetadataOnStackMark md_on_stack(true);
++  MetadataOnStackMark md_on_stack(true, false);
+   HandleMark hm(thread);   // make sure any handles created are deleted
+                            // before the stack walk again.
+ 
+-- 
+2.23.0
+

src/java.desktop/macosx/classes/sun/lwawt/LWComponentPeer.java

@@ -934,7 +934,7 @@ public abstract class LWComponentPeer<T extends Component, D extends JComponent>
 
         int result = LWKeyboardFocusManagerPeer.shouldNativelyFocusHeavyweight(
                 getTarget(), lightweightChild, temporary,
-                focusedWindowChangeAllowed, time, cause, false);
+                focusedWindowChangeAllowed, time, cause);
         switch (result) {
             case LWKeyboardFocusManagerPeer.SNFH_FAILURE:
                 return false;
@@ -975,7 +975,9 @@ public abstract class LWComponentPeer<T extends Component, D extends JComponent>
 
                     Component focusOwner = kfmPeer.getCurrentFocusOwner();
                     LWKeyboardFocusManagerPeer.deliverFocus(lightweightChild,
-                            getTarget(), false, cause, focusOwner);
+                            getTarget(), temporary,
+                            focusedWindowChangeAllowed,
+                            time, cause, focusOwner);
                 });
 
             case LWKeyboardFocusManagerPeer.SNFH_SUCCESS_HANDLED:

src/java.desktop/share/classes/java/awt/KeyboardFocusManager.java

@@ -121,11 +121,10 @@ public abstract class KeyboardFocusManager
                                                    boolean temporary,
                                                    boolean focusedWindowChangeAllowed,
                                                    long time,
-                                                   FocusEvent.Cause cause,
-                                                   boolean highPriorityEvents)
+                                                   FocusEvent.Cause cause)
                 {
                     return KeyboardFocusManager.shouldNativelyFocusHeavyweight(
-                        heavyweight, descendant, temporary, focusedWindowChangeAllowed, time, cause, highPriorityEvents);
+                        heavyweight, descendant, temporary, focusedWindowChangeAllowed, time, cause);
                 }
                 public boolean processSynchronousLightweightTransfer(Component heavyweight,
                                                               Component descendant,
@@ -2393,8 +2392,7 @@ public abstract class KeyboardFocusManager
      */
     static int shouldNativelyFocusHeavyweight
         (Component heavyweight, Component descendant, boolean temporary,
-         boolean focusedWindowChangeAllowed, long time, FocusEvent.Cause cause,
-         boolean highPriorityEvents)
+         boolean focusedWindowChangeAllowed, long time, FocusEvent.Cause cause)
     {
         if (log.isLoggable(PlatformLogger.Level.FINE)) {
             if (heavyweight == null) {
@@ -2463,22 +2461,17 @@ public abstract class KeyboardFocusManager
                         new FocusEvent(currentFocusOwner,
                                        FocusEvent.FOCUS_LOST,
                                        temporary, descendant, cause);
-                    if (highPriorityEvents) {
-                        SunToolkit.postPriorityEvent(currentFocusOwnerEvent);
-                    } else {
-                        SunToolkit.postEvent(currentFocusOwner.appContext,
-                                currentFocusOwnerEvent);
-                    }
+                    // Fix 5028014. Rolled out.
+                    // SunToolkit.postPriorityEvent(currentFocusOwnerEvent);
+                    SunToolkit.postEvent(currentFocusOwner.appContext,
+                                         currentFocusOwnerEvent);
                 }
                 FocusEvent newFocusOwnerEvent =
                     new FocusEvent(descendant, FocusEvent.FOCUS_GAINED,
                                    temporary, currentFocusOwner, cause);
-                if (highPriorityEvents) {
-                    SunToolkit.postPriorityEvent(newFocusOwnerEvent);
-                } else {
-                    SunToolkit.postEvent(descendant.appContext,
-                            newFocusOwnerEvent);
-                }
+                // Fix 5028014. Rolled out.
+                // SunToolkit.postPriorityEvent(newFocusOwnerEvent);
+                SunToolkit.postEvent(descendant.appContext, newFocusOwnerEvent);
 
                 if (focusLog.isLoggable(PlatformLogger.Level.FINEST))
                     focusLog.finest("2. SNFH_HANDLED for {0}", String.valueOf(descendant));

src/java.desktop/share/classes/sun/awt/AWTAccessor.java

@@ -440,8 +440,7 @@ public final class AWTAccessor {
                                            boolean temporary,
                                            boolean focusedWindowChangeAllowed,
                                            long time,
-                                           Cause cause,
-                                           boolean highPriorityEvents);
+                                           Cause cause);
         /**
          * Delivers focus for the lightweight descendant of the heavyweight
          * synchronously.

src/java.desktop/share/classes/sun/awt/KeyboardFocusManagerPeerImpl.java

@@ -107,7 +107,9 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
     @SuppressWarnings("deprecation")
     public static boolean deliverFocus(Component lightweightChild,
                                        Component target,
-                                       boolean highPriority,
+                                       boolean temporary,
+                                       boolean focusedWindowChangeAllowed,
+                                       long time,
                                        FocusEvent.Cause cause,
                                        Component currentFocusOwner) // provided by the descendant peers
     {
@@ -126,11 +128,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
             if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
                 focusLog.finer("Posting focus event: " + fl);
             }
-            if (highPriority) {
-                SunToolkit.postPriorityEvent(fl);
-            } else {
-                SunToolkit.postEvent(SunToolkit.targetToAppContext(currentOwner), fl);
-            }
+            SunToolkit.postEvent(SunToolkit.targetToAppContext(currentOwner), fl);
         }
 
         FocusEvent fg = new FocusEvent(lightweightChild, FocusEvent.FOCUS_GAINED,
@@ -139,11 +137,7 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
         if (focusLog.isLoggable(PlatformLogger.Level.FINER)) {
             focusLog.finer("Posting focus event: " + fg);
         }
-        if (highPriority) {
-            SunToolkit.postPriorityEvent(fg);
-        } else {
-            SunToolkit.postEvent(SunToolkit.targetToAppContext(lightweightChild), fg);
-        }
+        SunToolkit.postEvent(SunToolkit.targetToAppContext(lightweightChild), fg);
         return true;
     }
 
@@ -158,12 +152,11 @@ public abstract class KeyboardFocusManagerPeerImpl implements KeyboardFocusManag
                                                      boolean temporary,
                                                      boolean focusedWindowChangeAllowed,
                                                      long time,
-                                                     FocusEvent.Cause cause,
-                                                     boolean highPriorityEvents)
+                                                     FocusEvent.Cause cause)
     {
         return KfmAccessor.instance.shouldNativelyFocusHeavyweight(
             heavyweight, descendant, temporary, focusedWindowChangeAllowed,
-                time, cause, highPriorityEvents);
+                time, cause);
     }
 
     public static void removeLastFocusRequest(Component heavyweight) {

src/java.desktop/share/classes/sun/awt/SunToolkit.java

@@ -434,14 +434,6 @@ public abstract class SunToolkit extends Toolkit
      * Post AWTEvent of high priority.
      */
     public static void postPriorityEvent(final AWTEvent e) {
-        if (e.getID() == WindowEvent.WINDOW_LOST_FOCUS &&
-                e instanceof TimedWindowEvent)
-        {
-            TimedWindowEvent twe = (TimedWindowEvent)e;
-            ((SunToolkit)Toolkit.getDefaultToolkit()).
-                    setWindowDeactivationTime((Window)twe.getSource(), twe.getWhen());
-        }
-
         PeerEvent pe = new PeerEvent(Toolkit.getDefaultToolkit(), new Runnable() {
                 @Override
                 public void run() {

src/java.desktop/share/classes/sun/awt/event/KeyEventProcessing.java

@@ -3,7 +3,6 @@ package sun.awt.event;
 import sun.font.FontUtilities;
 
 import java.lang.annotation.Native;
-import java.security.PrivilegedAction;
 
 public class KeyEventProcessing {
     // This property is used to emulate old behavior
@@ -12,17 +11,11 @@ public class KeyEventProcessing {
     public final static String useNationalLayoutsOption = "com.sun.awt.use.national.layouts";
     @Native
     public final static boolean useNationalLayouts = "true".equals(
-            getProperty(useNationalLayoutsOption, FontUtilities.isMacOSX ? "true" : "false"));
+            Util.getProperty(useNationalLayoutsOption, FontUtilities.isMacOSX ? "true" : "false"));
 
     // Used on windows to emulate latin OEM keys on cyrillic keyboards
     public final static String useLatinNonAlphaNumKeycodesOption = "com.sun.awt.useLatinNonAlphaNumKeycodes";
     @Native
     public final static boolean useLatinNonAlphaNumKeycodes = "true".equals(
-            getProperty(useLatinNonAlphaNumKeycodesOption, "false"));
-
-    private static String getProperty(String option, String dflt) {
-        return java.security.AccessController.doPrivileged(
-                (PrivilegedAction<String>) () -> System.getProperty(option, dflt)
-        );
-    }
+            Util.getProperty(useLatinNonAlphaNumKeycodesOption, "false"));
 }

src/java.desktop/share/classes/sun/awt/event/TouchEvent.java

@@ -18,4 +18,10 @@ public class TouchEvent {
      * in ms
      */
     public static final long NO_UPDATE_TIMEOUT = 1000L;
+
+    public final static String defaultTouchHandlingOption = "com.jetbrains.default.touchscreen.mode";
+
+    @Native
+    public final static boolean defaultTouchHandling = "true".equalsIgnoreCase(
+            Util.getProperty(defaultTouchHandlingOption, "false"));
 }

src/java.desktop/share/classes/sun/awt/event/Util.java

@@ -0,0 +1,11 @@
+package sun.awt.event;
+
+import java.security.PrivilegedAction;
+
+class Util {
+    public static String getProperty(String option, String dflt) {
+        return java.security.AccessController.doPrivileged(
+                (PrivilegedAction<String>) () -> System.getProperty(option, dflt)
+        );
+    }
+}

src/java.desktop/unix/classes/sun/awt/X11/XComponentPeer.java

@@ -259,7 +259,7 @@ public class XComponentPeer extends XWindow implements ComponentPeer, DropTarget
         int result = XKeyboardFocusManagerPeer.
             shouldNativelyFocusHeavyweight(target, lightweightChild,
                                            temporary, focusedWindowChangeAllowed,
-                                           time, cause, false);
+                                           time, cause);
 
         switch (result) {
           case XKeyboardFocusManagerPeer.SNFH_FAILURE:

src/java.desktop/unix/classes/sun/awt/X11/XEmbedChildProxyPeer.java

@@ -198,7 +198,7 @@ public class XEmbedChildProxyPeer implements ComponentPeer, XEventDispatcher{
     {
         int result = XKeyboardFocusManagerPeer
             .shouldNativelyFocusHeavyweight(proxy, lightweightChild,
-                                            temporary, false, time, cause, false);
+                                            temporary, false, time, cause);
 
         switch (result) {
           case XKeyboardFocusManagerPeer.SNFH_FAILURE:

src/java.desktop/unix/classes/sun/awt/X11/XKeyboardFocusManagerPeer.java

@@ -105,7 +105,9 @@ public class XKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl {
     {
         return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild,
                                                          target,
-                                                         false,
+                                                         temporary,
+                                                         focusedWindowChangeAllowed,
+                                                         time,
                                                          cause,
                                                          getInstance().getCurrentFocusOwner());
     }

src/java.desktop/windows/classes/sun/awt/windows/WComponentPeer.java

@@ -701,7 +701,7 @@ public abstract class WComponentPeer extends WObjectPeer
         int result = WKeyboardFocusManagerPeer
             .shouldNativelyFocusHeavyweight((Component)target, lightweightChild,
                                             temporary, focusedWindowChangeAllowed,
-                                            time, cause, true);
+                                            time, cause);
 
         switch (result) {
           case WKeyboardFocusManagerPeer.SNFH_FAILURE:

src/java.desktop/windows/classes/sun/awt/windows/WKeyboardFocusManagerPeer.java

@@ -80,7 +80,9 @@ final class WKeyboardFocusManagerPeer extends KeyboardFocusManagerPeerImpl {
         // TODO: do something to eliminate this forwarding
         return KeyboardFocusManagerPeerImpl.deliverFocus(lightweightChild,
                                                          target,
-                                                         true,
+                                                         temporary,
+                                                         focusedWindowChangeAllowed,
+                                                         time,
                                                          cause,
                                                          getNativeFocusOwner());
     }

src/java.desktop/windows/classes/sun/awt/windows/WToolkit.java

@@ -139,9 +139,6 @@ public final class WToolkit extends SunToolkit implements Runnable {
         {
             @Override
             public Void run() {
-                // temporary measure, until corresponding code is disabled in IntelliJ platform
-                System.setProperty("action.aware.typeAhead", "false");
-
                 String browserProp = System.getProperty("browser");
                 if (browserProp != null && browserProp.equals("sun.plugin")) {
                     disableCustomPalette();

src/java.desktop/windows/native/libawt/windows/awt_Component.cpp

@@ -103,7 +103,6 @@ HWND AwtComponent::sm_focusOwner = NULL;
 HWND AwtComponent::sm_focusedWindow = NULL;
 BOOL AwtComponent::sm_bMenuLoop = FALSE;
 BOOL AwtComponent::sm_inSynthesizeFocus = FALSE;
-BOOL AwtComponent::sm_priorityFocusEvents = FALSE;
 
 /************************************************************************/
 // Struct for _Reshape() and ReshapeNoCheck() methods
@@ -1344,7 +1343,6 @@ void SpyWinMessage(HWND hwnd, UINT message, LPCTSTR szComment) {
         WIN_MSG(WM_AWT_COMPONENT_HIDE)
         WIN_MSG(WM_AWT_COMPONENT_SETFOCUS)
         WIN_MSG(WM_AWT_WINDOW_SETACTIVE)
-        WIN_MSG(WM_AWT_WINDOW_TOFRONT)
         WIN_MSG(WM_AWT_LIST_SETMULTISELECT)
         WIN_MSG(WM_AWT_HANDLE_EVENT)
         WIN_MSG(WM_AWT_PRINT_COMPONENT)
@@ -1402,6 +1400,19 @@ static BOOL IsMouseEventFromTouch()
 {
     return (::GetMessageExtraInfo() & MOUSEEVENTF_FROMTOUCH_MASK) == MOUSEEVENTF_FROMTOUCH;
 }
+
+// consider making general function
+// T getClassStaticField(cls, field, default_val)
+static BOOL IsDefaultTouch()
+{
+    JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
+    jclass cls = env->FindClass("sun/awt/event/TouchEvent");
+    CHECK_NULL_RETURN(cls, FALSE);
+    jfieldID fieldID = env->GetStaticFieldID(cls, "defaultTouchHandling", "Z");
+    CHECK_NULL_RETURN(fieldID, FALSE);
+    return static_cast<BOOL>(env->GetStaticBooleanField(cls, fieldID));
+}
+
 /*
  * Dispatch messages for this window class--general component
  */
@@ -1427,6 +1438,8 @@ LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
         return (LRESULT)TRUE;
     }
 
+    static const BOOL PROCESS_TOUCH_EVENTS = !IsDefaultTouch();
+
     DWORD curPos = 0;
 
     UINT switchMessage = message;
@@ -1718,7 +1731,7 @@ LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
       case WM_MOUSEHWHEEL:
       case WM_AWT_MOUSEENTER:
       case WM_AWT_MOUSEEXIT:
-          if (IsMouseEventFromTouch()) {
+          if (IsMouseEventFromTouch() && PROCESS_TOUCH_EVENTS) {
               break;
           }
           curPos = ::GetMessagePos();
@@ -1798,8 +1811,10 @@ LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
           }
           break;
       case WM_TOUCH:
-          WmTouch(wParam, lParam);
-          break;
+          if (PROCESS_TOUCH_EVENTS) {
+              WmTouch(wParam, lParam);
+              break;
+          }
       case WM_SETCURSOR:
           mr = mrDoDefault;
           if (LOWORD(lParam) == HTCLIENT) {
@@ -2023,38 +2038,24 @@ LRESULT AwtComponent::WindowProc(UINT message, WPARAM wParam, LPARAM lParam)
            * there.
            */
       case WM_AWT_COMPONENT_SHOW:
-          sm_priorityFocusEvents = TRUE;
           Show();
-          sm_priorityFocusEvents = FALSE;
           mr = mrConsume;
           break;
       case WM_AWT_COMPONENT_HIDE:
-          sm_priorityFocusEvents = TRUE;
           Hide();
-          sm_priorityFocusEvents = FALSE;
           mr = mrConsume;
           break;
 
       case WM_AWT_COMPONENT_SETFOCUS:
-          sm_priorityFocusEvents = TRUE;
           if ((BOOL)wParam) {
               retValue = SynthesizeWmSetFocus(GetHWnd(), NULL);
           } else {
               retValue = SynthesizeWmKillFocus(GetHWnd(), NULL);
           }
-          sm_priorityFocusEvents = FALSE;
           mr = mrConsume;
           break;
       case WM_AWT_WINDOW_SETACTIVE:
-          sm_priorityFocusEvents = TRUE;
           retValue = (LRESULT)((AwtWindow*)this)->AwtSetActiveWindow((BOOL)wParam);
-          sm_priorityFocusEvents = FALSE;
-          mr = mrConsume;
-          break;
-      case WM_AWT_WINDOW_TOFRONT:
-          sm_priorityFocusEvents = TRUE;
-          ((AwtWindow*)this)->ToFront();
-          sm_priorityFocusEvents = FALSE;
           mr = mrConsume;
           break;
 

src/java.desktop/windows/native/libawt/windows/awt_Component.h

@@ -699,7 +699,6 @@ public:
     static void *GetNativeFocusOwner();
 
     static BOOL sm_inSynthesizeFocus;
-    static BOOL sm_priorityFocusEvents;
 
     // Execute on Toolkit only.
     INLINE static LRESULT SynthesizeWmSetFocus(HWND targetHWnd, HWND oppositeHWnd) {

src/java.desktop/windows/native/libawt/windows/awt_Window.cpp

@@ -304,7 +304,7 @@ AwtWindow::Grab() {
         // we shouldn't perform grab in this case (see 4841881 & 6539458)
         Ungrab();
     } else if (GetHWnd() != AwtComponent::GetFocusedWindow()) {
-        _ToFront(env->NewGlobalRef(GetPeer(env)), FALSE);
+        _ToFront(env->NewGlobalRef(GetPeer(env)));
         // Global ref was deleted in _ToFront
     }
 }
@@ -1615,34 +1615,6 @@ void AwtWindow::SendComponentEvent(jint eventId)
     env->DeleteLocalRef(event);
 }
 
-static void SendPriorityEvent(jobject event) {
-    JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
-
-    static jclass toolkitClass;
-    if (toolkitClass == NULL) {
-        toolkitClass = env->FindClass("sun/awt/SunToolkit");
-        if (toolkitClass != NULL) {
-            toolkitClass = (jclass)env->NewGlobalRef(toolkitClass);
-        }
-        if (toolkitClass == NULL) {
-            return;
-        }
-    }
-
-    static jmethodID postPriorityEventMID;
-    if (postPriorityEventMID == NULL) {
-        postPriorityEventMID =
-            env->GetStaticMethodID(toolkitClass, "postPriorityEvent",
-                             "(Ljava/awt/AWTEvent;)V");
-        DASSERT(postPriorityEventMID);
-        if (postPriorityEventMID == NULL) {
-            return;
-        }
-    }
-
-    env->CallStaticVoidMethod(toolkitClass, postPriorityEventMID, event);
-}
-
 void AwtWindow::SendWindowEvent(jint id, HWND opposite,
                                 jint oldState, jint newState)
 {
@@ -1673,6 +1645,25 @@ void AwtWindow::SendWindowEvent(jint id, HWND opposite,
         }
     }
 
+    static jclass sequencedEventCls;
+    if (sequencedEventCls == NULL) {
+        jclass sequencedEventClsLocal
+            = env->FindClass("java/awt/SequencedEvent");
+        DASSERT(sequencedEventClsLocal);
+        CHECK_NULL(sequencedEventClsLocal);
+        sequencedEventCls =
+            (jclass)env->NewGlobalRef(sequencedEventClsLocal);
+        env->DeleteLocalRef(sequencedEventClsLocal);
+    }
+
+    static jmethodID sequencedEventConst;
+    if (sequencedEventConst == NULL) {
+        sequencedEventConst =
+            env->GetMethodID(sequencedEventCls, "<init>",
+                             "(Ljava/awt/AWTEvent;)V");
+        CHECK_NULL(sequencedEventConst);
+    }
+
     static jclass windowCls = NULL;
     if (windowCls == NULL) {
         jclass windowClsLocal = env->FindClass("java/awt/Window");
@@ -1726,15 +1717,20 @@ void AwtWindow::SendWindowEvent(jint id, HWND opposite,
     env->DeleteLocalRef(target); target = NULL;
     CHECK_NULL(event);
 
-    if (AwtComponent::sm_priorityFocusEvents &&
-        (id == java_awt_event_WindowEvent_WINDOW_GAINED_FOCUS ||
-         id == java_awt_event_WindowEvent_WINDOW_LOST_FOCUS))
+    if (id == java_awt_event_WindowEvent_WINDOW_GAINED_FOCUS ||
+        id == java_awt_event_WindowEvent_WINDOW_LOST_FOCUS)
     {
-        SendPriorityEvent(event);
-    } else {
-        SendEvent(event);
+        jobject sequencedEvent = env->NewObject(sequencedEventCls,
+                                                sequencedEventConst,
+                                                event);
+        DASSERT(!safe_ExceptionOccurred(env));
+        DASSERT(sequencedEvent != NULL);
+        env->DeleteLocalRef(event);
+        event = sequencedEvent;
     }
 
+    SendEvent(event);
+
     env->DeleteLocalRef(event);
 }
 
@@ -2451,25 +2447,7 @@ ret:
     return result;
 }
 
-void AwtWindow::ToFront() {
-    if (::IsWindow(GetHWnd())) {
-        UINT flags = SWP_NOMOVE|SWP_NOSIZE;
-        BOOL focusable = IsFocusableWindow();
-        BOOL autoRequestFocus = IsAutoRequestFocus();
-
-        if (!focusable || !autoRequestFocus)
-        {
-            flags = flags|SWP_NOACTIVATE;
-        }
-        ::SetWindowPos(GetHWnd(), HWND_TOP, 0, 0, 0, 0, flags);
-        if (focusable && autoRequestFocus)
-        {
-            ::SetForegroundWindow(GetHWnd());
-        }
-    }
-}
-
-void AwtWindow::_ToFront(void *param, BOOL wait)
+void AwtWindow::_ToFront(void *param)
 {
     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
 
@@ -2482,20 +2460,24 @@ void AwtWindow::_ToFront(void *param, BOOL wait)
     w = (AwtWindow *)pData;
     if (::IsWindow(w->GetHWnd()))
     {
-        if (wait) {
-            w->SendMessage(WM_AWT_WINDOW_TOFRONT, 0, 0);
-        } else {
-            w->ToFront();
+        UINT flags = SWP_NOMOVE|SWP_NOSIZE;
+        BOOL focusable = w->IsFocusableWindow();
+        BOOL autoRequestFocus = w->IsAutoRequestFocus();
+
+        if (!focusable || !autoRequestFocus)
+        {
+            flags = flags|SWP_NOACTIVATE;
+        }
+        ::SetWindowPos(w->GetHWnd(), HWND_TOP, 0, 0, 0, 0, flags);
+        if (focusable && autoRequestFocus)
+        {
+            ::SetForegroundWindow(w->GetHWnd());
         }
     }
 ret:
     env->DeleteGlobalRef(self);
 }
 
-static void _ToFrontWait(void *param) {
-    AwtWindow::_ToFront(param, TRUE);
-}
-
 void AwtWindow::_ToBack(void *param)
 {
     JNIEnv *env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
@@ -3519,7 +3501,7 @@ Java_sun_awt_windows_WWindowPeer__1toFront(JNIEnv *env, jobject self)
 {
     TRY;
 
-    AwtToolkit::GetInstance().SyncCall(_ToFrontWait,
+    AwtToolkit::GetInstance().SyncCall(AwtWindow::_ToFront,
         env->NewGlobalRef(self));
     // global ref is deleted in _ToFront()
 

src/java.desktop/windows/native/libawt/windows/awt_Window.h

@@ -221,15 +221,13 @@ public:
     void UpdateWindow(JNIEnv* env, jintArray data, int width, int height,
                       HBITMAP hNewBitmap = NULL);
 
-    void ToFront();
-
     INLINE virtual BOOL IsTopLevel() { return TRUE; }
     static AwtWindow * GetGrabbedWindow() { return m_grabbedWindow; }
 
     static void FlashWindowEx(HWND hWnd, UINT count, DWORD timeout, DWORD flags);
 
     // some methods invoked on Toolkit thread
-    static void _ToFront(void *param, BOOL wait);
+    static void _ToFront(void *param);
     static void _ToBack(void *param);
     static void _Grab(void *param);
     static void _Ungrab(void *param);

src/java.desktop/windows/native/libawt/windows/awtmsg.h

@@ -203,7 +203,6 @@ enum {
     WM_AWT_COMPONENT_HIDE,
     WM_AWT_COMPONENT_SETFOCUS,
     WM_AWT_WINDOW_SETACTIVE,
-    WM_AWT_WINDOW_TOFRONT,
     WM_AWT_LIST_SETMULTISELECT,
     WM_AWT_HANDLE_EVENT,
     WM_AWT_PRINT_COMPONENT,

src/jdk.accessibility/share/classes/com/sun/java/accessibility/util/EventQueueMonitor.java

@@ -293,16 +293,15 @@ public class EventQueueMonitor
         case MouseEvent.MOUSE_MOVED:
         case MouseEvent.MOUSE_DRAGGED:
         case FocusEvent.FOCUS_GAINED:
-        case WindowEvent.WINDOW_ACTIVATED:
         case WindowEvent.WINDOW_DEACTIVATED:
             queueComponentEvent((ComponentEvent) theEvent);
             break;
 
-        case WindowEvent.WINDOW_GAINED_FOCUS:
-            // WINDOW_GAINED_FOCUS, WINDOW_ACTIVATED and FOCUS_GAINED events
-            // are fired before WINDOW_OPENED so we need to add topLevelListeners
-            // for the window when it is first focused to get a
-            // focus gained event for the focus component in it.
+        case WindowEvent.WINDOW_ACTIVATED:
+            // Dialogs fire WINDOW_ACTIVATED and FOCUS_GAINED events
+            // before WINDOW_OPENED so we need to add topLevelListeners
+            // for the dialog when it is first activated to get a
+            // focus gained event for the focus component in the dialog.
             if (theEvent instanceof ComponentEvent) {
                 ComponentEvent ce = (ComponentEvent)theEvent;
                 if (ce.getComponent() instanceof Window) {
@@ -313,6 +312,7 @@ public class EventQueueMonitor
                     EventQueueMonitor.addTopLevelWindow(ce.getComponent());
                 }
             }
+            queueComponentEvent((ComponentEvent) theEvent);
             break;
 
             // handle WINDOW_OPENED and WINDOW_CLOSED events synchronously

test/hotspot/jtreg/jbProblemList.txt

@@ -43,6 +43,7 @@ applications/jcstress/acqrel/Test.java - generic-all
 # :hotspot_compiler
 
 compiler/aot/cli/jaotc/AtFileTest.java                                              JBR-2365 windows-all
+compiler/aot/TestHeapBase.java                                                      JBR-2840 windows-all
 compiler/ciReplay/TestSAServer.java                                                 8029528 generic-all
 compiler/codecache/stress/OverloadCompileQueueTest.java                             8166554 generic-all
 compiler/codegen/Test6896617.java                                                   8193479 generic-all

test/jdk/java/awt/Focus/6981400/Test2.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ * @test
+ * @key headful
+ * @bug     6981400
+ * @summary Tabbing between textfiled do not work properly when ALT+TAB
+ * @author  anton.tarasov
+ * @library ../../regtesthelpers
+ * @build   Util
+ * @run     main Test2
+ */
+
+// A focus request made after a char is typed ahead shouldn't affect the char's target component.
+
+import java.awt.*;
+import java.awt.event.*;
+import test.java.awt.regtesthelpers.Util;
+
+public class Test2 {
+    static Frame f = new Frame("frame");
+    static TextArea t0 = new TextArea(1, 10) { public String toString() { return "[TA-0]";} };
+    static TextArea t1 = new TextArea(1, 10) { public String toString() { return "[TA-1]";} };
+    static TextArea t2 = new TextArea(1, 10) { public String toString() { return "[TA-2]";} };
+
+    static volatile boolean passed = true;
+
+    static Robot robot;
+
+    public static void main(String[] args) {
+        Toolkit.getDefaultToolkit().addAWTEventListener(new AWTEventListener() {
+            public void eventDispatched(AWTEvent e) {
+                System.out.println(e);
+                if (e.getID() == KeyEvent.KEY_TYPED) {
+                    if (e.getSource() != t1) {
+                        passed = false;
+                        throw new RuntimeException("Test failed: the key event has wrong source: " + e);
+                    }
+                }
+            }
+        }, FocusEvent.FOCUS_EVENT_MASK | KeyEvent.KEY_EVENT_MASK);
+
+        try {
+            robot = new Robot();
+        } catch (AWTException ex) {
+            throw new RuntimeException("Error: can't create Robot");
+        }
+
+        f.add(t0);
+        f.add(t1);
+        f.add(t2);
+
+        f.setLayout(new FlowLayout());
+        f.pack();
+
+        t0.addFocusListener(new FocusAdapter() {
+            public void focusLost(FocusEvent e) {
+                try {
+                    Thread.sleep(3000);
+                } catch (Exception ex) {}
+            }
+        });
+
+        // The request shouldn't affect the key event delivery.
+        new Thread(new Runnable() {
+            public void run() {
+                try {
+                    Thread.sleep(2000);
+                } catch (Exception ex) {}
+                System.out.println("requesting focus to " + t2);
+                t2.requestFocus();
+            }
+        }).start();
+
+
+        f.setVisible(true);
+        Util.waitForIdle(robot);
+
+        test();
+
+        if (passed) System.out.println("\nTest passed.");
+    }
+
+    static void test() {
+        Util.clickOnComp(t1, robot);
+
+        // The key event should be eventually delivered to t1.
+        robot.delay(50);
+        robot.keyPress(KeyEvent.VK_A);
+        robot.delay(50);
+        robot.keyRelease(KeyEvent.VK_A);
+
+        Util.waitForIdle(robot);
+    }
+}
+

test/jdk/jb/java/awt/Focus/ModalDialogFromMenuTest.java

@@ -1,126 +0,0 @@
-/*
- * Copyright 2000-2020 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-import java.awt.*;
-import java.awt.event.*;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.LockSupport;
-
-/**
- * @test
- * @summary Test for the case which was broken during development for JBR-2712 (Typeahead mechanism doesn't work on Windows)
- * @key headful
- */
-
-public class ModalDialogFromMenuTest {
-    private static final CompletableFuture<Boolean> initFinished = new CompletableFuture<>();
-    private static final CompletableFuture<Boolean> menuItemShown = new CompletableFuture<>();
-    private static final CompletableFuture<Boolean> typedInDialog = new CompletableFuture<>();
-    private static Robot robot;
-    private static JFrame frame;
-    private static JTextField frameField;
-    private static JMenuItem menuItem;
-
-    public static void main(String[] args) throws Exception {
-        robot = new Robot();
-        robot.setAutoDelay(50);
-        try {
-            SwingUtilities.invokeAndWait(ModalDialogFromMenuTest::initUI);
-            initFinished.get(10, TimeUnit.SECONDS);
-            rightClickOn(frameField);
-            menuItemShown.get(10, TimeUnit.SECONDS);
-            clickOn(menuItem);
-            pressAndRelease(KeyEvent.VK_A);
-            typedInDialog.get(10, TimeUnit.SECONDS);
-        } finally {
-            SwingUtilities.invokeAndWait(ModalDialogFromMenuTest::disposeUI);
-        }
-    }
-
-    private static void initUI() {
-        frame = new JFrame("ModalDialogFromMenuTest");
-        frame.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowOpened(WindowEvent e) {
-                initFinished.complete(true);
-            }
-        });
-        frameField = new JTextField(20);
-        JPopupMenu menu = new JPopupMenu();
-        menuItem = new JMenuItem(new AbstractAction("open dialog") {
-            @Override
-            public void actionPerformed(ActionEvent e) {
-                JDialog d = new JDialog(frame, true);
-                JTextField dialogField = new JTextField(10);
-                dialogField.getDocument().addDocumentListener(new DocumentListener() {
-                    @Override
-                    public void insertUpdate(DocumentEvent e) {
-                        typedInDialog.complete(true);
-                    }
-
-                    @Override
-                    public void removeUpdate(DocumentEvent e) {}
-
-                    @Override
-                    public void changedUpdate(DocumentEvent e) {}
-                });
-                d.add(dialogField);
-                d.pack();
-                d.setVisible(true);
-            }
-        });
-        menuItem.addHierarchyListener(e -> {
-            if (menuItem.isShowing()) menuItemShown.complete(true);
-        });
-        menu.add(menuItem);
-        frameField.setComponentPopupMenu(menu);
-        frame.add(frameField);
-        frame.pack();
-        frame.setVisible(true);
-    }
-
-    private static void disposeUI() {
-        if (frame != null) frame.dispose();
-    }
-
-    private static void pressAndRelease(int keyCode) {
-        robot.keyPress(keyCode);
-        robot.keyRelease(keyCode);
-    }
-
-    private static void clickAt(int x, int y, int buttons) {
-        robot.mouseMove(x, y);
-        robot.mousePress(buttons);
-        robot.mouseRelease(buttons);
-    }
-
-    private static void clickOn(Component component, int buttons) {
-        Point location = component.getLocationOnScreen();
-        clickAt(location.x + component.getWidth() / 2, location.y + component.getHeight() / 2, buttons);
-    }
-
-    private static void clickOn(Component component) {
-        clickOn(component, InputEvent.BUTTON1_DOWN_MASK);
-    }
-
-    private static void rightClickOn(Component component) {
-        clickOn(component, InputEvent.BUTTON3_DOWN_MASK);
-    }
-}

test/jdk/jb/java/awt/Focus/TypeaheadRequestFocusTest.java

@@ -1,115 +0,0 @@
-/*
- * Copyright 2000-2020 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-import java.awt.*;
-import java.awt.event.*;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.LockSupport;
-
-/**
- * @test
- * @summary Regression test for JBR-2712 Typeahead mechanism doesn't work on Windows
- * @key headful
- */
-
-public class TypeaheadRequestFocusTest {
-    private static final CompletableFuture<Boolean> initFinished = new CompletableFuture<>();
-    private static final CompletableFuture<Boolean> typedInPopup = new CompletableFuture<>();
-    private static Robot robot;
-    private static JFrame frame;
-    private static JTextField frameField;
-    private static JTextField windowField;
-
-    public static void main(String[] args) throws Exception {
-        robot = new Robot();
-        robot.setAutoDelay(50);
-        try {
-            SwingUtilities.invokeAndWait(TypeaheadRequestFocusTest::initUI);
-            initFinished.get(10, TimeUnit.SECONDS);
-            clickOn(frameField);
-            SwingUtilities.invokeAndWait(TypeaheadRequestFocusTest::showPopup);
-            pressAndRelease(KeyEvent.VK_ENTER);
-            pressAndRelease(KeyEvent.VK_A);
-            typedInPopup.get(10, TimeUnit.SECONDS);
-        } finally {
-            SwingUtilities.invokeAndWait(TypeaheadRequestFocusTest::disposeUI);
-        }
-    }
-
-    private static void initUI() {
-        frame = new JFrame("TypeaheadRequestFocusTest");
-        frame.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowOpened(WindowEvent e) {
-                initFinished.complete(true);
-            }
-        });
-        frameField = new JTextField(20);
-        frameField.addActionListener(e -> {
-            LockSupport.parkNanos(1_000_000_000L);
-            windowField.requestFocus();
-        });
-        frame.add(frameField);
-        frame.pack();
-        frame.setVisible(true);
-    }
-
-    private static void showPopup() {
-        JWindow window = new JWindow(frame);
-        windowField = new JTextField(20);
-        windowField.getDocument().addDocumentListener(new DocumentListener() {
-            @Override
-            public void insertUpdate(DocumentEvent e) {
-                typedInPopup.complete(true);
-            }
-
-            @Override
-            public void removeUpdate(DocumentEvent e) {}
-
-            @Override
-            public void changedUpdate(DocumentEvent e) {}
-        });
-        window.add(windowField);
-        window.pack();
-        window.setAutoRequestFocus(false);
-        window.setVisible(true);
-        window.setAutoRequestFocus(true);
-    }
-
-    private static void disposeUI() {
-        if (frame != null) frame.dispose();
-    }
-
-    private static void pressAndRelease(int keyCode) {
-        robot.keyPress(keyCode);
-        robot.keyRelease(keyCode);
-    }
-
-    private static void clickAt(int x, int y) {
-        robot.mouseMove(x, y);
-        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
-        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
-    }
-
-    private static void clickOn(Component component) {
-        Point location = component.getLocationOnScreen();
-        clickAt(location.x + component.getWidth() / 2, location.y + component.getHeight() / 2);
-    }
-}

test/jdk/jb/java/awt/Focus/TypeaheadSetVisibleTest.java

@@ -1,107 +0,0 @@
-/*
- * Copyright 2000-2020 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-import java.awt.*;
-import java.awt.event.*;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.LockSupport;
-
-/**
- * @test
- * @summary Regression test for JBR-2712 Typeahead mechanism doesn't work on Windows
- * @key headful
- */
-
-public class TypeaheadSetVisibleTest {
-    private static final CompletableFuture<Boolean> initFinished = new CompletableFuture<>();
-    private static final CompletableFuture<Boolean> typedInPopup = new CompletableFuture<>();
-    private static Robot robot;
-    private static JFrame frame;
-    private static JTextField frameField;
-
-    public static void main(String[] args) throws Exception {
-        robot = new Robot();
-        robot.setAutoDelay(50);
-        try {
-            SwingUtilities.invokeAndWait(TypeaheadSetVisibleTest::initUI);
-            initFinished.get(10, TimeUnit.SECONDS);
-            clickOn(frameField);
-            pressAndRelease(KeyEvent.VK_ENTER);
-            pressAndRelease(KeyEvent.VK_A);
-            typedInPopup.get(10, TimeUnit.SECONDS);
-        } finally {
-            SwingUtilities.invokeAndWait(TypeaheadSetVisibleTest::disposeUI);
-        }
-    }
-
-    private static void initUI() {
-        frame = new JFrame("TypeaheadSetVisibleTest");
-        frame.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowOpened(WindowEvent e) {
-                initFinished.complete(true);
-            }
-        });
-        frameField = new JTextField(20);
-        frameField.addActionListener(e -> {
-            LockSupport.parkNanos(1_000_000_000L);
-            JWindow window = new JWindow(frame);
-            JTextField windowField = new JTextField(20);
-            windowField.getDocument().addDocumentListener(new DocumentListener() {
-                @Override
-                public void insertUpdate(DocumentEvent e) {
-                    typedInPopup.complete(true);
-                }
-
-                @Override
-                public void removeUpdate(DocumentEvent e) {}
-
-                @Override
-                public void changedUpdate(DocumentEvent e) {}
-            });
-            window.add(windowField);
-            window.pack();
-            window.setVisible(true);
-        });
-        frame.add(frameField);
-        frame.pack();
-        frame.setVisible(true);
-    }
-
-    private static void disposeUI() {
-        if (frame != null) frame.dispose();
-    }
-
-    private static void pressAndRelease(int keyCode) {
-        robot.keyPress(keyCode);
-        robot.keyRelease(keyCode);
-    }
-
-    private static void clickAt(int x, int y) {
-        robot.mouseMove(x, y);
-        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
-        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
-    }
-
-    private static void clickOn(Component component) {
-        Point location = component.getLocationOnScreen();
-        clickAt(location.x + component.getWidth() / 2, location.y + component.getHeight() / 2);
-    }
-}

test/jdk/jb/java/awt/Focus/TypeaheadToFrontTest.java

@@ -1,115 +0,0 @@
-/*
- * Copyright 2000-2020 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import javax.swing.*;
-import javax.swing.event.DocumentEvent;
-import javax.swing.event.DocumentListener;
-import java.awt.*;
-import java.awt.event.*;
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.TimeUnit;
-import java.util.concurrent.locks.LockSupport;
-
-/**
- * @test
- * @summary Regression test for JBR-2712 Typeahead mechanism doesn't work on Windows
- * @key headful
- */
-
-public class TypeaheadToFrontTest {
-    private static final CompletableFuture<Boolean> initFinished = new CompletableFuture<>();
-    private static final CompletableFuture<Boolean> typedInPopup = new CompletableFuture<>();
-    private static Robot robot;
-    private static JFrame frame;
-    private static JTextField frameField;
-    private static JWindow window;
-
-    public static void main(String[] args) throws Exception {
-        robot = new Robot();
-        robot.setAutoDelay(50);
-        try {
-            SwingUtilities.invokeAndWait(TypeaheadToFrontTest::initUI);
-            initFinished.get(10, TimeUnit.SECONDS);
-            clickOn(frameField);
-            SwingUtilities.invokeAndWait(TypeaheadToFrontTest::showPopup);
-            pressAndRelease(KeyEvent.VK_ENTER);
-            pressAndRelease(KeyEvent.VK_A);
-            typedInPopup.get(10, TimeUnit.SECONDS);
-        } finally {
-            SwingUtilities.invokeAndWait(TypeaheadToFrontTest::disposeUI);
-        }
-    }
-
-    private static void initUI() {
-        frame = new JFrame("TypeaheadToFrontTest");
-        frame.addWindowListener(new WindowAdapter() {
-            @Override
-            public void windowOpened(WindowEvent e) {
-                initFinished.complete(true);
-            }
-        });
-        frameField = new JTextField(20);
-        frameField.addActionListener(e -> {
-            LockSupport.parkNanos(1_000_000_000L);
-            window.toFront();
-        });
-        frame.add(frameField);
-        frame.pack();
-        frame.setVisible(true);
-    }
-
-    private static void showPopup() {
-        window = new JWindow(frame);
-        JTextField windowField = new JTextField(20);
-        windowField.getDocument().addDocumentListener(new DocumentListener() {
-            @Override
-            public void insertUpdate(DocumentEvent e) {
-                typedInPopup.complete(true);
-            }
-
-            @Override
-            public void removeUpdate(DocumentEvent e) {}
-
-            @Override
-            public void changedUpdate(DocumentEvent e) {}
-        });
-        window.add(windowField);
-        window.pack();
-        window.setAutoRequestFocus(false);
-        window.setVisible(true);
-        window.setAutoRequestFocus(true);
-    }
-
-    private static void disposeUI() {
-        if (frame != null) frame.dispose();
-    }
-
-    private static void pressAndRelease(int keyCode) {
-        robot.keyPress(keyCode);
-        robot.keyRelease(keyCode);
-    }
-
-    private static void clickAt(int x, int y) {
-        robot.mouseMove(x, y);
-        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
-        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
-    }
-
-    private static void clickOn(Component component) {
-        Point location = component.getLocationOnScreen();
-        clickAt(location.x + component.getWidth() / 2, location.y + component.getHeight() / 2);
-    }
-}

test/jdk/jbProblemList.txt

@@ -1058,7 +1058,6 @@ javax/swing/text/html/HTMLEditorKit/5043626/bug5043626.java
 javax/swing/text/html/StyleSheet/BackgroundImage/BackgroundImagePosition.java       8198409 generic-all
 javax/swing/text/html/StyleSheet/bug4936917.java                                    8208569 macosx-all
 javax/swing/text/html/parser/Parser/6836089/bug6836089.java                         8198401 generic-all
-javax/swing/text/html/parser/Test8017492.java                                       8022535 generic-all
 javax/swing/text/html/parser/Parser/6990651/bug6990651.java                         8199060 generic-all
 javax/swing/text/html/parser/Parser/8078268/bug8078268.java                         8199092 generic-all
 javax/swing/text/html/parser/Parser/HtmlCommentTagParseTest/HtmlCommentTagParseTest.java 8199073 generic-all
@@ -1269,4 +1268,5 @@ jb/java/jcef/JCEFStartupTest.java
 jb/java/awt/event/TouchScreenEvent/TouchScreenEventsTest.java                       JBR-2585 linux-all,windows-all nobug windows-6.1 not supported on Windows 7
 jb/java/awt/event/TouchScreenEvent/TouchScreenEventsTestLinux.sh                    JBR-2585 linux-all
 jb/java/awt/Focus/ChainOfPopupsFocusTest.java                                       JBR-2657 windows-all,linux-all
-jb/java/awt/Focus/ModalDialogFromMenuTest.java                                      JBR-2768 macosx-all
+jb/java/awt/Focus/ModalDialogFromMenuTest.java                                      JBR-2768 macosx-all
+java/time/tck/java/time/format/TCKDateTimeFormatterBuilder.java                     JBR-2842 macosx-10.14,macosx-10.15,macosx-10.16