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Unified Diff: src/objects.cc

Issue 165743003: Don't turn objects with empty-string properties into fast-mode. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 10 months ago
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Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 7360172e5b5d6a1036cd5af55e016b2dbb8a6567..e459332c76b47fd4b4d353d76655e7bfd5a2ddd7 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -15710,6 +15710,7 @@ MaybeObject* NameDictionary::TransformPropertiesToFastFor(
// instance descriptor.
MaybeObject* maybe_key = heap->InternalizeString(String::cast(k));
if (!maybe_key->To(&key)) return maybe_key;
+ if (key->Equals(heap->empty_string())) return this;
}
PropertyDetails details = DetailsAt(i);
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