Index: src/type-feedback-vector.cc |
diff --git a/src/type-feedback-vector.cc b/src/type-feedback-vector.cc |
index 0e78358d949df687b688bc1e9edb37883c9826f9..7d575e2477d1d8c3a2342d73597ab844e7ef1f26 100644 |
--- a/src/type-feedback-vector.cc |
+++ b/src/type-feedback-vector.cc |
@@ -98,6 +98,10 @@ Handle<TypeFeedbackVector> TypeFeedbackVector::Allocate( |
} |
array->set(kWithTypesIndex, Smi::FromInt(0)); |
array->set(kGenericCountIndex, Smi::FromInt(0)); |
+ // Fill the indexes with zeros. |
+ for (int i = 0; i < index_count; i++) { |
+ array->set(kReservedIndexCount + i, Smi::FromInt(0)); |
+ } |
// Ensure we can skip the write barrier |
Handle<Object> uninitialized_sentinel = UninitializedSentinel(isolate); |
@@ -258,8 +262,6 @@ InlineCacheState KeyedLoadICNexus::StateFromFeedback() const { |
return UNINITIALIZED; |
} else if (feedback == *vector()->PremonomorphicSentinel(isolate)) { |
return PREMONOMORPHIC; |
- } else if (feedback == *vector()->MegamorphicSentinel(isolate)) { |
- return MEGAMORPHIC; |
} else if (feedback == *vector()->GenericSentinel(isolate)) { |
return GENERIC; |
} else if (feedback->IsFixedArray()) { |
@@ -322,11 +324,6 @@ void KeyedLoadICNexus::ConfigureGeneric() { |
} |
-void KeyedLoadICNexus::ConfigureMegamorphic() { |
- SetFeedback(*vector()->MegamorphicSentinel(GetIsolate()), SKIP_WRITE_BARRIER); |
-} |
- |
- |
void LoadICNexus::ConfigureMegamorphic() { |
SetFeedback(*vector()->MegamorphicSentinel(GetIsolate()), SKIP_WRITE_BARRIER); |
} |