[runtime] Replace global object link with native context link in all contexts.

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 3762be8d784d1a0596276bc7f099e6e5f34d3fae..02ee3b11f4574de70a606ea7b86c42a11a236988 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -1922,8 +1922,8 @@ void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
   __ jmp(edx);
 
   __ bind(&set_global_proxy);
-  __ mov(ecx, GlobalObjectOperand());
-  __ mov(ecx, FieldOperand(ecx, JSGlobalObject::kGlobalProxyOffset));
+  __ mov(ecx, NativeContextOperand());
+  __ mov(ecx, ContextOperand(ecx, Context::GLOBAL_PROXY_INDEX));
   __ mov(receiver_operand, ecx);
   __ jmp(&valid_receiver, Label::kNear);