[es6] Make new.target work in functions

src/arm64/full-codegen-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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
@@ skipping 255 matching lines @@
 
     __ B(ne, &non_construct_frame);
     __ Ldr(x0, MemOperand(x2, StandardFrameConstants::kExpressionsOffset -
                                   2 * kPointerSize));
     __ B(&done);
 
     __ Bind(&non_construct_frame);
     __ LoadRoot(x0, Heap::kUndefinedValueRootIndex);
 
     __ Bind(&done);
-    // new.target is parameter -2.
+
     SetVar(new_target_var, x0, x2, x3);
   }
 
   // Possibly allocate RestParameters
   int rest_index;
   Variable* rest_param = scope()->rest_parameter(&rest_index);
   if (rest_param) {
     Comment cmnt(masm_, "[ Allocate rest parameter array");
 
     int num_parameters = info->scope()->num_parameters();
@@ skipping 5310 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64