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8299658: C1 compilation crashes in LinearScan::resolve_exception_edge

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Backport-of: cf2d33ca2e
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Martin Doerr
2023-09-04 20:15:14 +00:00
committed by Vitaly Provodin
parent 2319e12b5e
commit 912bdf3d8c
1 changed files with 8 additions and 0 deletions
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8
src/hotspot/share/c1/c1_LinearScan.cpp
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@@ -1949,6 +1949,14 @@ void LinearScan::resolve_exception_edge(XHandler* handler, int throwing_op_id, i
// interval at the throwing instruction must be searched using the operands
// of the phi function
Value from_value = phi->operand_at(handler->phi_operand());
if (from_value == nullptr) {
// We have reached here in a kotlin application running with JVMTI
// capability "can_access_local_variables".
// The illegal state is not yet propagated to this phi. Do it here.
phi->make_illegal();
// We can skip the illegal phi edge.
return;
}
// with phi functions it can happen that the same from_value is used in
// multiple mappings, so notify move-resolver that this is allowed