[es6] Reintroduce the instanceof operator in the backends.

src/arm64/builtins-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/frames-arm64.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
 #include "src/deoptimizer.h"
@@ skipping 1665 matching lines @@
         ExternalReference::get_date_field_function(masm->isolate()), 2);
   }
   __ Ret();
 
   // 3. Raise a TypeError if the receiver is not a date.
   __ Bind(&receiver_not_date);
   __ TailCallRuntime(Runtime::kThrowNotDateError);
 }
 
 // static
-void Builtins::Generate_FunctionHasInstance(MacroAssembler* masm) {
-  // ----------- S t a t e -------------
-  //  -- x0      : argc
-  //  -- jssp[0] : first argument (left-hand side)
-  //  -- jssp[8] : receiver (right-hand side)
-  // -----------------------------------
-  ASM_LOCATION("Builtins::Generate_FunctionHasInstance");
-
-  {
-    FrameScope scope(masm, StackFrame::INTERNAL);
-    __ Ldr(InstanceOfDescriptor::LeftRegister(),
-           MemOperand(fp, 2 * kPointerSize));  // Load left-hand side.
-    __ Ldr(InstanceOfDescriptor::RightRegister(),
-           MemOperand(fp, 3 * kPointerSize));  // Load right-hand side.
-    InstanceOfStub stub(masm->isolate(), true);
-    __ CallStub(&stub);
-  }
-
-  // Pop the argument and the receiver.
-  __ Drop(2);
-  __ Ret();
-}
-
-// static
 void Builtins::Generate_FunctionPrototypeApply(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- x0       : argc
   //  -- jssp[0]  : argArray (if argc == 2)
   //  -- jssp[8]  : thisArg  (if argc >= 1)
   //  -- jssp[16] : receiver
   // -----------------------------------
   ASM_LOCATION("Builtins::Generate_FunctionPrototypeApply");
 
   Register argc = x0;
@@ skipping 1203 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM