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

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index 6d622b855d587c6691d34d9d82ae0a9d16a625d1..30c1a51ac6d12e71af47a6d79b1a5848ce405b9d 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -1238,7 +1238,7 @@ void Builtins::Generate_InternalArrayCode(MacroAssembler* masm) {
   Label generic_array_code;
 
   // Get the InternalArray function.
-  __ LoadGlobalFunction(Context::INTERNAL_ARRAY_FUNCTION_INDEX, rdi);
+  __ LoadNativeContextSlot(Context::INTERNAL_ARRAY_FUNCTION_INDEX, rdi);
 
   if (FLAG_debug_code) {
     // Initial map for the builtin InternalArray functions should be maps.
@@ -1268,7 +1268,7 @@ void Builtins::Generate_ArrayCode(MacroAssembler* masm) {
   Label generic_array_code;
 
   // Get the Array function.
-  __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, rdi);
+  __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, rdi);
 
   if (FLAG_debug_code) {
     // Initial map for the builtin Array functions should be maps.
@@ -1785,7 +1785,7 @@ void Builtins::Generate_Call(MacroAssembler* masm, ConvertReceiverMode mode) {
   // Overwrite the original receiver with the (original) target.
   __ movp(args.GetReceiverOperand(), rdi);
   // Let the "call_as_function_delegate" take care of the rest.
-  __ LoadGlobalFunction(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, rdi);
+  __ LoadNativeContextSlot(Context::CALL_AS_FUNCTION_DELEGATE_INDEX, rdi);
   __ Jump(masm->isolate()->builtins()->CallFunction(
               ConvertReceiverMode::kNotNullOrUndefined),
           RelocInfo::CODE_TARGET);
@@ -1869,7 +1869,7 @@ void Builtins::Generate_Construct(MacroAssembler* masm) {
     // Overwrite the original receiver with the (original) target.
     __ movp(args.GetReceiverOperand(), rdi);
     // Let the "call_as_constructor_delegate" take care of the rest.
-    __ LoadGlobalFunction(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, rdi);
+    __ LoadNativeContextSlot(Context::CALL_AS_CONSTRUCTOR_DELEGATE_INDEX, rdi);
     __ Jump(masm->isolate()->builtins()->CallFunction(),
             RelocInfo::CODE_TARGET);
   }
@@ -1991,8 +1991,8 @@ void Builtins::Generate_HandleFastApiCall(MacroAssembler* masm) {
   __ jmp(rdx);
 
   __ bind(&set_global_proxy);
-  __ movp(rcx, GlobalObjectOperand());
-  __ movp(rcx, FieldOperand(rcx, JSGlobalObject::kGlobalProxyOffset));
+  __ movp(rcx, NativeContextOperand());
+  __ movp(rcx, ContextOperand(rcx, Context::GLOBAL_PROXY_INDEX));
   __ movp(args.GetReceiverOperand(), rcx);
   __ jmp(&valid_receiver, Label::kNear);