// A basic sanity check for Objective-C++.// { dg-do run }#include <objc/Object.h>#include <iostream>@interface Greeter : Object- (void) greet: (const char *)msg;@end@implementation Greeter- (void) greet: (const char *)msg { std::cout << msg; }@endintmain (){  std::cout << "Hello from C++\n";  Greeter *obj = [Greeter new];  [obj greet: "Hello from Objective-C\n"];}