basic.mm: New.

* obj-c++.dg/basic.mm: New.

Co-Authored-By: Mike Stump <mrs@apple.com>

From-SVN: r100182

gcc/testsuite/ChangeLog

@@ -6,6 +6,7 @@
 	* obj-c++.dg/selector-1.mm: Move to...
 	* obj-c++.dg/selector-4.mm: here...
 
+	* obj-c++.dg/basic.mm: New.
 	* obj-c++.dg/comp-types-1.mm: New.
 	* obj-c++.dg/cxx-class-1.mm: New.
 	* obj-c++.dg/cxx-ivars-1.mm: New.

gcc/testsuite/obj-c++.dg/basic.mm

@@ -0,0 +1,21 @@
+// 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; }
+@end
+
+int
+main ()
+{
+  std::cout << "Hello from C++\n";
+  Greeter *obj = [Greeter new];
+  [obj greet: "Hello from Objective-C\n"];
+}