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Unified Diff: src/x64/builtins-x64.cc

Issue 12296026: ES6 symbols: Implement Symbol intrinsic and basic functionality (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed more comments Created 7 years, 10 months ago
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Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index 5d87ee795bfa6a159171d506f5b6006d19d6e46b..f2f31aa8fea1ef09b5f21ae3feec03907f2d5413 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -389,6 +389,10 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
__ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rcx);
__ j(above_equal, &exit);
+ // Symbols are "objects".
+ __ CmpInstanceType(rcx, SYMBOL_TYPE);
+ __ j(equal, &exit);
+
// Throw away the result of the constructor invocation and use the
// on-stack receiver as the result.
__ bind(&use_receiver);
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