new classes: change semantics of super(...) call and add new.target to construct stub.

src/arm/code-stubs-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/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 2544 matching lines @@
       __ ldr(r5, FieldMemOperand(r2, AllocationSite::kMapOffset));
       __ CompareRoot(r5, Heap::kAllocationSiteMapRootIndex);
       __ b(eq, &feedback_register_initialized);
       __ LoadRoot(r2, Heap::kUndefinedValueRootIndex);
       __ bind(&feedback_register_initialized);
     }
 
     __ AssertUndefinedOrAllocationSite(r2, r5);
   }
 
+  // Pass function as original constructor.
+  __ mov(r3, r1);
+
   // Jump to the function-specific construct stub.
   Register jmp_reg = r4;
   __ ldr(jmp_reg, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
   __ ldr(jmp_reg, FieldMemOperand(jmp_reg,
                                   SharedFunctionInfo::kConstructStubOffset));
   __ add(pc, jmp_reg, Operand(Code::kHeaderSize - kHeapObjectTag));
 
   // r0: number of arguments
   // r1: called object
   // r4: object type
@@ skipping 2211 matching lines @@
                               kStackUnwindSpace, NULL,
                               MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM