src/ia32/full-codegen-ia32.cc - Issue 650073002: vector-based ICs did not update type feedback counts correctly.

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Unified Diff: src/ia32/full-codegen-ia32.cc

Issue 650073002: vector-based ICs did not update type feedback counts correctly. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge

Patch Set: REBASE. Created 6 years, 2 months ago

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Index: src/ia32/full-codegen-ia32.cc

diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc

index cddefa1b85d93d25e5c8e06f41532ffa3d746967..96525029ce584c43d2ec2b2e1bf7905dce5a11a4 100644

--- a/src/ia32/full-codegen-ia32.cc

+++ b/src/ia32/full-codegen-ia32.cc

@@ -1117,7 +1117,8 @@ void FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) {

// No need for a write barrier, we are storing a Smi in the feedback vector.

__ LoadHeapObject(ebx, FeedbackVector());

- __ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(slot.ToInt())),

+ int vector_index = FeedbackVector()->GetIndex(slot);

+ __ mov(FieldOperand(ebx, FixedArray::OffsetOfElementAt(vector_index)),

Immediate(TypeFeedbackVector::MegamorphicSentinel(isolate())));

__ mov(ebx, Immediate(Smi::FromInt(1))); // Smi indicates slow check

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