Revert "Load the global proxy from the context of the target function."

src/x64/ic-x64.cc

Index: src/x64/ic-x64.cc
diff --git a/src/x64/ic-x64.cc b/src/x64/ic-x64.cc
index b2d33e0247dc2666cc313b00540c24ad2807880b..9448d3771a7dad634b8a8e4d466351542d038568 100644
--- a/src/x64/ic-x64.cc
+++ b/src/x64/ic-x64.cc
@@ -998,7 +998,7 @@ void CallICBase::GenerateMiss(MacroAssembler* masm,
 
     // Patch the receiver on the stack.
     __ bind(&global);
-    CallStubCompiler::FetchGlobalProxy(masm, rdx, rdi);
+    __ movq(rdx, FieldOperand(rdx, GlobalObject::kGlobalReceiverOffset));
     __ movq(args.GetReceiverOperand(), rdx);
     __ bind(&invoke);
   }