Win64 - Allow returning two values from a runtime function.

src/x64/builtins-x64.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 26 matching lines @@
 void Builtins::Generate_Adaptor(MacroAssembler* masm, CFunctionId id) {
   // TODO(428): Don't pass the function in a static variable.
   ExternalReference passed = ExternalReference::builtin_passed_function();
   __ movq(kScratchRegister, passed.address(), RelocInfo::EXTERNAL_REFERENCE);
   __ movq(Operand(kScratchRegister, 0), rdi);
 
   // The actual argument count has already been loaded into register
   // rax, but JumpToBuiltin expects rax to contain the number of
   // arguments including the receiver.
   __ incq(rax);
-  __ JumpToBuiltin(ExternalReference(id));
+  __ JumpToBuiltin(ExternalReference(id), 1);
 }
 
 
 static void EnterArgumentsAdaptorFrame(MacroAssembler* masm) {
   __ push(rbp);
   __ movq(rbp, rsp);
 
   // Store the arguments adaptor context sentinel.
   __ push(Immediate(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
 
@@ skipping 789 matching lines @@
 void Builtins::Generate_JSEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, false);
 }
 
 
 void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
   Generate_JSEntryTrampolineHelper(masm, true);
 }
 
 } }  // namespace v8::internal