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Unified Diff: src/ia32/ic-ia32.cc

Issue 68343016: [Object.observe] Don't force normalization of elements for observed objects (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 1 month ago
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Index: src/ia32/ic-ia32.cc
diff --git a/src/ia32/ic-ia32.cc b/src/ia32/ic-ia32.cc
index 0b7c4a828bce881c03ed05d44cfbf3943e103164..dab9dd7a447ae089d87419557feba98cce0c4e43 100644
--- a/src/ia32/ic-ia32.cc
+++ b/src/ia32/ic-ia32.cc
@@ -874,10 +874,10 @@ void KeyedStoreIC::GenerateGeneric(MacroAssembler* masm,
__ JumpIfSmi(edx, &slow);
// Get the map from the receiver.
__ mov(edi, FieldOperand(edx, HeapObject::kMapOffset));
- // Check that the receiver does not require access checks. We need
- // to do this because this generic stub does not perform map checks.
+ // Check that the receiver does not require access checks and is not observed.
+ // The generic stub does not perform map checks or handle observed objects.
__ test_b(FieldOperand(edi, Map::kBitFieldOffset),
- 1 << Map::kIsAccessCheckNeeded);
+ 1 << Map::kIsAccessCheckNeeded | 1 << Map::kIsObserved);
__ j(not_zero, &slow);
// Check that the key is a smi.
__ JumpIfNotSmi(ecx, &slow);
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