Switch CallConstructStub to take new.target in register.

src/arm/builtins-arm.cc

 // Copyright 2012 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_ARM
 
 #include "src/codegen.h"
 #include "src/debug.h"
@@ skipping 1485 matching lines @@
     Generate_CheckStackOverflow(masm, kFunctionOffset, r0, kArgcIsSmiTagged);
 
     // Push current limit and index.
     const int kIndexOffset =
         StandardFrameConstants::kExpressionsOffset - (2 * kPointerSize);
     const int kLimitOffset =
         StandardFrameConstants::kExpressionsOffset - (1 * kPointerSize);
     __ push(r0);  // limit
     __ mov(r1, Operand::Zero());  // initial index
     __ push(r1);
-    // Push newTarget and callee functions
-    __ ldr(r0, MemOperand(fp, kNewTargetOffset));
-    __ push(r0);
+    // Push the constructor function as callee.
     __ ldr(r0, MemOperand(fp, kFunctionOffset));
     __ push(r0);
 
     // Copy all arguments from the array to the stack.
     Generate_PushAppliedArguments(
         masm, kArgumentsOffset, kIndexOffset, kLimitOffset);
 
     // Use undefined feedback vector
     __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
     __ ldr(r1, MemOperand(fp, kFunctionOffset));
+    __ ldr(r4, MemOperand(fp, kNewTargetOffset));
 
     // Call the function.
     CallConstructStub stub(masm->isolate(), SUPER_CONSTRUCTOR_CALL);
     __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
 
-    __ Drop(1);
-
     // Leave internal frame.
   }
   __ add(sp, sp, Operand(kStackSize * kPointerSize));
   __ Jump(lr);
 }
 
 
 void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
   Generate_ApplyHelper(masm, false);
 }
@@ skipping 194 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM