Simple toplevel code generator support for short-circuited boolean OR...

src/x64/codegen-x64.cc

Index: src/x64/codegen-x64.cc
===================================================================
--- src/x64/codegen-x64.cc	(revision 3115)
+++ src/x64/codegen-x64.cc	(working copy)
@@ -4239,18 +4239,6 @@
 }
 
 
-class ToBooleanStub: public CodeStub {
- public:
-  ToBooleanStub() { }
-
-  void Generate(MacroAssembler* masm);
-
- private:
-  Major MajorKey() { return ToBoolean; }
-  int MinorKey() { return 0; }
-};
-
-
 // ECMA-262, section 9.2, page 30: ToBoolean(). Pop the top of stack and
 // convert it to a boolean in the condition code register or jump to
 // 'false_target'/'true_target' as appropriate.