Restore saved caller FP registers on stub failure

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 30cd314255d7d24d65184278221fb236a4312503..f4864f899ef2eb3b79375f69c5c6e42816ff5e95 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -662,7 +662,8 @@ void Builtins::Generate_MarkCodeAsExecutedTwice(MacroAssembler* masm) {
 }
 
 
-void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
+static void Generate_NotifyStubFailureHelper(MacroAssembler* masm,
+                                             SaveFPRegsMode save_doubles) {
   // Enter an internal frame.
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
@@ -671,7 +672,7 @@ void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
     // stubs that tail call the runtime on deopts passing their parameters in
     // registers.
     __ Pushad();
-    __ CallRuntime(Runtime::kNotifyStubFailure, 0);
+    __ CallRuntime(Runtime::kNotifyStubFailure, 0, save_doubles);
     __ Popad();
     // Tear down internal frame.
   }
@@ -681,6 +682,16 @@ void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
 }
 
 
+void Builtins::Generate_NotifyStubFailure(MacroAssembler* masm) {
+  Generate_NotifyStubFailureHelper(masm, kDontSaveFPRegs);
+}
+
+
+void Builtins::Generate_NotifyStubFailureSaveDoubles(MacroAssembler* masm) {
+  Generate_NotifyStubFailureHelper(masm, kSaveFPRegs);
+}
+
+
 static void Generate_NotifyDeoptimizedHelper(MacroAssembler* masm,
                                              Deoptimizer::BailoutType type) {
   // Enter an internal frame.