1  /* { dg-do run } */
       2  /* { dg-options "-O2 -fno-dce -fno-ipa-cp -fno-tree-dce" } */
       3  
       4  char a, b;
       5  
       6  #ifdef __SIZEOF_INT128__
       7  #define T unsigned __int128
       8  #else
       9  #define T unsigned
      10  #endif
      11  
      12  static inline int
      13  c (T d)
      14  {
      15    char e = 0;
      16    d %= (unsigned) d;
      17    e -= 0;
      18    __builtin_strncpy (&a, &e, 1);
      19    return e + b;
      20  }
      21  
      22  int
      23  main (void)
      24  {
      25    c (~0);
      26    return 0;
      27  }