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

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 47cddd0a10dce599dd3f353e7d19fbfa99abca92..c53ff7ae0293e53079bb69144c8f06f9315da5ca 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -4281,6 +4281,11 @@ void HOptimizedGraphBuilder::VisitExpressions(ZoneList<Expression*>* exprs,
 
 
 bool HOptimizedGraphBuilder::BuildGraph() {
+  if (IsSubclassConstructor(current_info()->function()->kind())) {
+    Bailout(kSuperReference);
+    return false;
+  }
+
   Scope* scope = current_info()->scope();
   SetUpScope(scope);
 
@@ -7565,7 +7570,8 @@ HInstruction* HOptimizedGraphBuilder::BuildCallConstantFunction(
   HValue* target = Add<HConstant>(jsfun);
   // For constant functions, we try to avoid calling the
   // argument adaptor and instead call the function directly
-  int formal_parameter_count = jsfun->shared()->formal_parameter_count();
+  int formal_parameter_count =
+      jsfun->shared()->internal_formal_parameter_count();
   bool dont_adapt_arguments =
       (formal_parameter_count ==
        SharedFunctionInfo::kDontAdaptArgumentsSentinel);