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Unified Diff: runtime/vm/flow_graph_compiler_arm64.cc

Issue 2374273002: Fix a throw returning to a frame marked for lazy deopt that captures the stacktrace. (Closed)
Patch Set: . Created 4 years, 3 months ago
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Index: runtime/vm/flow_graph_compiler_arm64.cc
diff --git a/runtime/vm/flow_graph_compiler_arm64.cc b/runtime/vm/flow_graph_compiler_arm64.cc
index 2634ae2bc7c70e418f6f5afc94bcf7af009faa0e..10ff57f9f8f08a4cc9cf348794d617c993e857fd 100644
--- a/runtime/vm/flow_graph_compiler_arm64.cc
+++ b/runtime/vm/flow_graph_compiler_arm64.cc
@@ -1121,15 +1121,16 @@ void FlowGraphCompiler::CompileGraph() {
BeginCodeSourceRange();
if (is_optimizing() && !FLAG_precompiled_mode) {
- // Leave enough space for patching in case of lazy deoptimization from
- // deferred code.
+ // Leave enough space for patching in case of lazy deoptimization.
for (intptr_t i = 0;
i < CallPattern::kDeoptCallLengthInInstructions;
++i) {
__ orr(R0, ZR, Operand(R0)); // nop
}
- lazy_deopt_pc_offset_ = assembler()->CodeSize();
- __ BranchPatchable(*StubCode::DeoptimizeLazy_entry());
+ lazy_deopt_return_pc_offset_ = assembler()->CodeSize();
+ __ BranchPatchable(*StubCode::DeoptimizeLazyFromReturn_entry());
+ lazy_deopt_throw_pc_offset_ = assembler()->CodeSize();
+ __ BranchPatchable(*StubCode::DeoptimizeLazyFromThrow_entry());
}
EndCodeSourceRange(TokenPosition::kDartCodeEpilogue);
}
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