new classes: no longer experimental.

src/ia32/full-codegen-ia32.cc

Index: src/ia32/full-codegen-ia32.cc
diff --git a/src/ia32/full-codegen-ia32.cc b/src/ia32/full-codegen-ia32.cc
index d7d8438568545fb1b2ea845b6a790887c593ad57..6b9f307b000dab1bfd8f08924497cd315969419d 100644
--- a/src/ia32/full-codegen-ia32.cc
+++ b/src/ia32/full-codegen-ia32.cc
@@ -3142,6 +3142,8 @@ void FullCodeGenerator::VisitCallNew(CallNew* expr) {
 
 
 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
+  if (!ValidateSuperCall(expr)) return;
+
   Variable* new_target_var = scope()->DeclarationScope()->new_target_var();
   GetVar(eax, new_target_var);
   __ push(eax);
@@ -4078,6 +4080,8 @@ void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
   EmitLoadSuperConstructor();
   __ push(result_register());
 
+  SetSourcePosition(expr->position());
+
   // Check if the calling frame is an arguments adaptor frame.
   Label adaptor_frame, args_set_up, runtime;
   __ mov(edx, Operand(ebp, StandardFrameConstants::kCallerFPOffset));
@@ -4108,6 +4112,7 @@ void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
   }
 
   __ bind(&args_set_up);
+
   __ mov(edi, Operand(esp, eax, times_pointer_size, 0));
 
   CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);