A64: Call ProfileEntryHook in JSEntryStub and do not use real aborts in ProfileEntryHook.

src/a64/macro-assembler-a64.h

Index: src/a64/macro-assembler-a64.h
diff --git a/src/a64/macro-assembler-a64.h b/src/a64/macro-assembler-a64.h
index 8b8783c284e1dae95736b2bc88918a1f6986fa04..d55ee12f8bfbf7a6fb01f17d4ec1fbe55b6f01b6 100644
--- a/src/a64/macro-assembler-a64.h
+++ b/src/a64/macro-assembler-a64.h
@@ -1118,12 +1118,25 @@ class MacroAssembler : public Assembler {
   }
   bool allow_macro_instructions() const { return allow_macro_instructions_; }
 #endif
-  void set_use_real_aborts(bool value) { use_real_aborts_ = value; }
   bool use_real_aborts() const { return use_real_aborts_; }
   void set_has_frame(bool value) { has_frame_ = value; }
   bool has_frame() const { return has_frame_; }
   bool AllowThisStubCall(CodeStub* stub);
 
+  class NoUseRealAbortsScope {
+   public:
+    explicit NoUseRealAbortsScope(MacroAssembler* masm) :
+        saved_(masm->use_real_aborts_), masm_(masm) {
+      masm_->use_real_aborts_ = false;
+    }
+    ~NoUseRealAbortsScope() {
+      masm_->use_real_aborts_ = saved_;
+    }
+   private:
+    bool saved_;
+    MacroAssembler* masm_;
+  };
+
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // ---------------------------------------------------------------------------
   // Debugger Support