Clean up the global object naming madness.

src/x64/stub-cache-x64.cc

Index: src/x64/stub-cache-x64.cc
diff --git a/src/x64/stub-cache-x64.cc b/src/x64/stub-cache-x64.cc
index f7b2fe5b40e23c2065cbe2c0aa79c1ee0f7f4527..ef0f9ed04cd4cbb08b871fdccff1da1e501a3f3f 100644
--- a/src/x64/stub-cache-x64.cc
+++ b/src/x64/stub-cache-x64.cc
@@ -1109,7 +1109,7 @@ void StoreStubCompiler::GenerateStoreViaSetter(
       if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
         // Swap in the global receiver.
         __ movp(receiver,
-                FieldOperand(receiver, JSGlobalObject::kGlobalReceiverOffset));
+                FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
       }
       __ Push(receiver);
       __ Push(value());
@@ -1278,7 +1278,7 @@ void LoadStubCompiler::GenerateLoadViaGetter(MacroAssembler* masm,
       if (IC::TypeToMap(*type, masm->isolate())->IsJSGlobalObjectMap()) {
         // Swap in the global receiver.
         __ movp(receiver,
-                FieldOperand(receiver, JSGlobalObject::kGlobalReceiverOffset));
+                FieldOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
       }
       __ Push(receiver);
       ParameterCount actual(0);