new classes: implement new.target passing to superclass constructor.

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 743 matching lines @@
   // TODO(dslomov): support pretenuring
   CHECK(!FLAG_pretenuring_call_new);
 
   {
     FrameScope frame_scope(masm, StackFrame::CONSTRUCT);
 
     __ mov(r4, r0);
     __ SmiTag(r4);
     __ push(r4);  // Smi-tagged arguments count.
 
+    // Push new.target.
+    __ push(r3);
+
     // receiver is the hole.
     __ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
     __ push(ip);
 
     // Set up pointer to last argument.
     __ add(r2, fp, Operand(StandardFrameConstants::kCallerSPOffset));
 
     // Copy arguments and receiver to the expression stack.
     // r0: number of arguments
     // r1: constructor function
     // r2: address of last argument (caller sp)
     // r4: number of arguments (smi-tagged)
     // sp[0]: receiver
-    // sp[1]: number of arguments (smi-tagged)
+    // sp[1]: new.target
+    // sp[2]: number of arguments (smi-tagged)
     Label loop, entry;
     __ b(&entry);
     __ bind(&loop);
     __ ldr(ip, MemOperand(r2, r4, LSL, kPointerSizeLog2 - 1));
     __ push(ip);
     __ bind(&entry);
     __ sub(r4, r4, Operand(2), SetCC);
     __ b(ge, &loop);
 
     // Call the function.
     // r0: number of arguments
     // r1: constructor function
+    __ add(r0, r0, Operand(1));
     ParameterCount actual(r0);
     __ InvokeFunction(r1, actual, CALL_FUNCTION, NullCallWrapper());
 
     // Restore context from the frame.
     // r0: result
     // sp[0]: number of arguments (smi-tagged)
     __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
     __ ldr(r1, MemOperand(sp, 0));
 
     // Leave construct frame.
@@ skipping 828 matching lines @@
     __ bkpt(0);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM