Pass undefined to JS builtins when called with implicit receiver.

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 1c9bfa49601c72d43fadb819f2ce01aa35f2e5f5..d869f0530bf58b9c768f0b8bb844b47d592d4e1e 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -613,8 +613,8 @@ void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
     __ j(not_equal, &shift_arguments);
 
     // Do not transform the receiver for natives (shared already in ebx).
-    __ test_b(FieldOperand(ebx, SharedFunctionInfo::kES5NativeByteOffset),
-              1 << SharedFunctionInfo::kES5NativeBitWithinByte);
+    __ test_b(FieldOperand(ebx, SharedFunctionInfo::kNativeByteOffset),
+              1 << SharedFunctionInfo::kNativeBitWithinByte);
     __ j(not_equal, &shift_arguments);
 
     // Compute the receiver in non-strict mode.
@@ -777,8 +777,8 @@ void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
   Factory* factory = masm->isolate()->factory();
 
   // Do not transform the receiver for natives (shared already in ecx).
-  __ test_b(FieldOperand(ecx, SharedFunctionInfo::kES5NativeByteOffset),
-            1 << SharedFunctionInfo::kES5NativeBitWithinByte);
+  __ test_b(FieldOperand(ecx, SharedFunctionInfo::kNativeByteOffset),
+            1 << SharedFunctionInfo::kNativeBitWithinByte);
   __ j(not_equal, &push_receiver);
 
   // Compute the receiver in non-strict mode.