1  /* Test whether the __builtin__CFStringMakeConstantString 
       2     "function" fails gracefully when used without the
       3     -mconstant-cfstrings flag.  */
       4  /* Developed by Ziemowit Laski <zlaski@apple.com>.  */
       5  
       6  /* { dg-do compile { target *-*-darwin* } } */
       7  /* { dg-options "-mno-constant-cfstrings" } */
       8  
       9  typedef const struct __CFString *CFStringRef;
      10  
      11  const CFStringRef S = ((CFStringRef)__builtin___CFStringMakeConstantString("Testing"));
      12  /* { dg-error "built-in" "built-in function .* requires .* flag" { target *-*-* } .-1 } */