Delete Runtime_NotifyOSR.

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 a6dc0037098063244db9f6ee3c18bf9a8caa1e8c..947f6871d38a4d5b9624394842d6b353cfd416c0 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -694,21 +694,6 @@ void Builtins::Generate_NotifyLazyDeoptimized(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_NotifyOSR(MacroAssembler* masm) {
-  // For now, we are relying on the fact that Runtime::NotifyOSR
-  // doesn't do any garbage collection which allows us to save/restore
-  // the registers without worrying about which of them contain
-  // pointers. This seems a bit fragile.
-  __ Pushad();
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ CallRuntime(Runtime::kNotifyOSR, 0);
-  }
-  __ Popad();
-  __ ret(0);
-}
-
-
 void Builtins::Generate_FunctionCall(MacroAssembler* masm) {
   // Stack Layout:
   // rsp[0]           : Return address