1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fdump-tree-optimized -save-temps" } */
       3  
       4  #include <string.h>
       5  
       6  __attribute__ ((weak))
       7  int
       8  f (int a)
       9  {
      10     return memchr ("aE", a, 2) != NULL;
      11  }
      12  
      13  __attribute__ ((weak))
      14  int
      15  g (char a)
      16  {
      17    return a == 'a' || a == 'E';
      18  }
      19  
      20  int
      21  main ()
      22  {
      23   for (int i = 0; i < 255; i++)
      24     if (f (i + 256) != g (i + 256))
      25       __builtin_abort ();
      26  
      27   return 0;
      28  }
      29  
      30  /* { dg-final { scan-assembler-not "memchr" } } */