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

src/ia32/builtins-ia32.cc

Index: src/ia32/builtins-ia32.cc
diff --git a/src/ia32/builtins-ia32.cc b/src/ia32/builtins-ia32.cc
index 18966c293f238569eeac345b75ec2d5a7c093bf4..b9a27c37b7d293982c2dda0c3e7964185fd338ed 100644
--- a/src/ia32/builtins-ia32.cc
+++ b/src/ia32/builtins-ia32.cc
@@ -519,6 +519,9 @@ void Builtins::Generate_JSConstructStubForDerived(MacroAssembler* masm) {
     __ push(eax);
     __ SmiUntag(eax);
 
+    // Push new.target.
+    __ push(edx);
+
     // receiver is the hole.
     __ push(Immediate(masm->isolate()->factory()->the_hole_value()));
 
@@ -535,6 +538,7 @@ void Builtins::Generate_JSConstructStubForDerived(MacroAssembler* masm) {
     __ dec(ecx);
     __ j(greater_equal, &loop);
 
+    __ inc(eax);  // Pushed new.target.
     ParameterCount actual(eax);
     __ InvokeFunction(edi, actual, CALL_FUNCTION, NullCallWrapper());