A64: Implement patchable inline code for InstanceOfKnownGlobal.

src/a64/lithium-codegen-a64.h

Index: src/a64/lithium-codegen-a64.h
diff --git a/src/a64/lithium-codegen-a64.h b/src/a64/lithium-codegen-a64.h
index 5179cb4052090a98520736e3d731222a17d34948..b60fd15b0f4551146acd02cb92bd72abf8b71328 100644
--- a/src/a64/lithium-codegen-a64.h
+++ b/src/a64/lithium-codegen-a64.h
@@ -176,8 +176,7 @@ class LCodeGen BASE_EMBEDDED {
                            LOperand* temp2);
   void DoDeferredAllocate(LAllocate* instr);
 
-  void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr,
-                                       Label* map_check);
+  void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr);
 
   static Condition TokenToCondition(Token::Value op, bool is_unsigned);
   void EmitGoto(int block);