X87: new classes: implement new.target passing to superclass constructor

src/x87/builtins-x87.cc

Index: src/x87/builtins-x87.cc
diff --git a/src/x87/builtins-x87.cc b/src/x87/builtins-x87.cc
index ef8956d03132ae62f46db50e598aa390c1360b72..89696f60fc03059bb615bdd0c6d4eff01b2099c2 100644
--- a/src/x87/builtins-x87.cc
+++ b/src/x87/builtins-x87.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());