1  /* { dg-do compile } */
       2  
       3  /* This test checks that builtin_constant_p can be used safely in
       4     initializers for static data.  The macro X() defined below should
       5     be an acceptable initializer expression no matter how complex its
       6     argument is.  */
       7  
       8  extern int a;
       9  extern int b;
      10  
      11  extern int foo(void);
      12  extern int bar(void);
      13  
      14  #define X(exp) (__builtin_constant_p(exp) ? (exp) : -1)
      15  
      16  const short tests[] = {
      17    X(0),
      18    X(a),
      19    X(0 && a),
      20    X(a && b),
      21    X(foo()),
      22    X(0 && foo()),
      23    X(a && foo()),
      24    X(foo() && bar())
      25  };