1  /* PR/13994; bug_cond2 was rejected on gcc up to version 3.4.x */
       2  /* { dg-do compile  }*/
       3  /* { dg-options "-std=gnu89"  }*/
       4  
       5  struct s { char c[1]; };
       6  struct s a;
       7  
       8  int bug_if(void) { if (a.c) return 1; else return 0; }
       9  int bug_while(void) { while (a.c); }
      10  int bug_do_while(void) { do ; while (a.c); }
      11  int bug_for(void) { for ( ; a.c; ) ; }
      12  int bug_or(void) { return (a.c || 1); }
      13  int bug_and(void) { return (a.c && 1); }
      14  int bug_cond(void) { return (a.c ? 1 : 0); }
      15  char *bug_cond2(void) { return (a.c ? : 0); }
      16  int bug_not(void) { return !a.c; }
      17  int bug_bool(void) { return (_Bool) a.c; }