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

src/ia32/builtins-ia32.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_IA32
 
 #include "src/code-factory.h"
 #include "src/codegen.h"
@@ skipping 501 matching lines @@
   CHECK(!FLAG_pretenuring_call_new);
 
   {
     FrameScope frame_scope(masm, StackFrame::CONSTRUCT);
 
     // Preserve actual arguments count.
     __ SmiTag(eax);
     __ push(eax);
     __ SmiUntag(eax);
 
+    // Push new.target.
+    __ push(edx);
+
     // receiver is the hole.
     __ push(Immediate(masm->isolate()->factory()->the_hole_value()));
 
     // Set up pointer to last argument.
     __ lea(ebx, Operand(ebp, StandardFrameConstants::kCallerSPOffset));
 
     // Copy arguments and receiver to the expression stack.
     Label loop, entry;
     __ mov(ecx, eax);
     __ jmp(&entry);
     __ bind(&loop);
     __ push(Operand(ebx, ecx, times_4, 0));
     __ bind(&entry);
     __ dec(ecx);
     __ j(greater_equal, &loop);
 
+    __ inc(eax);  // Pushed new.target.
     ParameterCount actual(eax);
     __ InvokeFunction(edi, actual, CALL_FUNCTION, NullCallWrapper());
 
     // Restore context from the frame.
     __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset));
 
     __ mov(ebx, Operand(esp, 0));
   }
 
   __ pop(ecx);  // Return address.
@@ skipping 977 matching lines @@
 
   __ bind(&ok);
   __ ret(0);
 }
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32