private void addGeneratedClosureConstructorCall(ConstructorCallExpression call) {
mv.visitVarInsn(ALOAD, 0);
ClassNode callNode = classNode.getSuperClass();
TupleExpression arguments = (TupleExpression) call.getArguments();
if (arguments.getExpressions().size()!=2) throw new GroovyBugError("expected 2 arguments for closure constructor super call, but got"+arguments.getExpressions().size());
arguments.getExpression(0).visit(this);
arguments.getExpression(1).visit(this);
Parameter p = new Parameter(ClassHelper.OBJECT_TYPE,"_p");
String descriptor = helper.getMethodDescriptor(ClassHelper.VOID_TYPE, new Parameter[]{p,p});
mv.visitMethodInsn(INVOKESPECIAL, BytecodeHelper.getClassInternalName(callNode), "<init>", descriptor);