src/hydrogen.cc - Issue 17071002: Add soft-deopt for uninitialized assignment

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Unified Diff: src/hydrogen.cc

Issue 17071002: Add soft-deopt for uninitialized assignment (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: Created 7 years, 6 months ago

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Index: src/hydrogen.cc

diff --git a/src/hydrogen.cc b/src/hydrogen.cc

index 74bf48961177ee7baa2063d294005c10bb7f93bf..3fc4a62b496461a2225b524672a9fd733aa434ab 100644

--- a/src/hydrogen.cc

+++ b/src/hydrogen.cc

@@ -6484,6 +6484,9 @@ void HOptimizedGraphBuilder::HandlePropertyAssignment(Assignment* expr) {

return HandlePolymorphicStoreNamedField(expr, object, value, types, name);

} else {

Drop(2);

+ if (expr->IsUninitialized()) {

+ AddSoftDeoptimize();

+ }

instr = BuildStoreNamedGeneric(object, name, value);

}

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