Fix calls of strict mode function with an implicit receiver.

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
diff --git a/src/x64/macro-assembler-x64.h b/src/x64/macro-assembler-x64.h
index 978fa0d447ea253275cceb7d7e88b39f78053a14..dad4ef0d6b9e46959d22704df2f135439481e7cc 100644
--- a/src/x64/macro-assembler-x64.h
+++ b/src/x64/macro-assembler-x64.h
@@ -241,26 +241,34 @@ class MacroAssembler: public Assembler {
   // ---------------------------------------------------------------------------
   // JavaScript invokes
 
+  // Setup call kind marking in rcx. The method takes rcx as an
+  // explicit first parameter to make the code more readable at the
+  // call sites.
+  void SetCallKind(Register dst, CallKind kind);
+
   // Invoke the JavaScript function code by either calling or jumping.
   void InvokeCode(Register code,
                   const ParameterCount& expected,
                   const ParameterCount& actual,
                   InvokeFlag flag,
-                  const CallWrapper& call_wrapper = NullCallWrapper());
+                  const CallWrapper& call_wrapper = NullCallWrapper(),
+                  CallKind call_kind = CALL_AS_METHOD);
 
   void InvokeCode(Handle<Code> code,
                   const ParameterCount& expected,
                   const ParameterCount& actual,
                   RelocInfo::Mode rmode,
                   InvokeFlag flag,
-                  const CallWrapper& call_wrapper = NullCallWrapper());
+                  const CallWrapper& call_wrapper = NullCallWrapper(),
+                  CallKind call_kind = CALL_AS_METHOD);
 
   // Invoke the JavaScript function in the given register. Changes the
   // current context to the context in the function before invoking.
   void InvokeFunction(Register function,
                       const ParameterCount& actual,
                       InvokeFlag flag,
-                      const CallWrapper& call_wrapper = NullCallWrapper());
+                      const CallWrapper& call_wrapper = NullCallWrapper(),
+                      CallKind call_kind = CALL_AS_METHOD);
 
   void InvokeFunction(JSFunction* function,
                       const ParameterCount& actual,
@@ -1149,8 +1157,9 @@ class MacroAssembler: public Assembler {
                       Register code_register,
                       Label* done,
                       InvokeFlag flag,
-                      const CallWrapper& call_wrapper,
-                      Label::Distance near_jump = Label::kFar);
+                      Label::Distance near_jump = Label::kFar,
+                      const CallWrapper& call_wrapper = NullCallWrapper(),
+                      CallKind call_kind = CALL_AS_METHOD);
 
   // Activation support.
   void EnterFrame(StackFrame::Type type);