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

src/ia32/builtins-ia32.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_IA32
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
 #include "src/deoptimizer.h"
 #include "src/full-codegen/full-codegen.h"
@@ skipping 1904 matching lines @@
   CompatibleReceiverCheck(masm, ecx, ebx, edx, eax, &receiver_check_failed);
   __ Pop(eax);
   // Get the callback offset from the FunctionTemplateInfo, and jump to the
   // beginning of the code.
   __ mov(edx, FieldOperand(ebx, FunctionTemplateInfo::kCallCodeOffset));
   __ mov(edx, FieldOperand(edx, CallHandlerInfo::kFastHandlerOffset));
   __ add(edx, Immediate(Code::kHeaderSize - kHeapObjectTag));
   __ jmp(edx);
 
   __ bind(&set_global_proxy);
-  __ mov(ecx, NativeContextOperand());
-  __ mov(ecx, ContextOperand(ecx, Context::GLOBAL_PROXY_INDEX));
+  __ mov(ecx, GlobalObjectOperand());
+  __ mov(ecx, FieldOperand(ecx, JSGlobalObject::kGlobalProxyOffset));
   __ mov(receiver_operand, ecx);
   __ jmp(&valid_receiver, Label::kNear);
 
   // Compatible receiver check failed: pop return address, arguments and
   // receiver and throw an Illegal Invocation exception.
   __ bind(&receiver_check_failed);
   __ Pop(eax);
   __ PopReturnAddressTo(ebx);
   __ lea(eax, Operand(eax, times_pointer_size, 1 * kPointerSize));
   __ add(esp, eax);
@@ skipping 58 matching lines @@
 
   __ bind(&ok);
   __ ret(0);
 }
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_IA32