gcc/testsuite/gcc.dg/pragma-diag-10.c

   1 /* PR middle-end/98512 - #pragma GCC diagnostic ignored ineffective
   2    in conjunction with alias attribute
   3    { dg-do compile }
   4    { dg-options "-O2 -Wall" }
   5    { dg-require-alias "" } */
   6
   7 void *
   8 __rawmemchr_ppc (const void *s, int c)
   9 {
  10 #pragma GCC diagnostic push
  11 #pragma GCC diagnostic ignored "-Wstringop-overflow"
  12 #pragma GCC diagnostic ignored "-Wstringop-overread"
  13   if (c != 0)
  14     return __builtin_memchr (s, c, (unsigned long)-1);    // { dg-bogus "specified bound \\d+ exceeds maximum object size" }
  15 #pragma GCC diagnostic pop
  16
  17   return (char *)s + __builtin_strlen (s);
  18 }
  19
  20 extern __typeof (__rawmemchr_ppc) __EI___rawmemchr_ppc
  21   __attribute__((alias ("__rawmemchr_ppc")));