gcc/testsuite/gcc.dg/torture/pr115877.c

   1 /* { dg-do run { target int128 } } */
   2
   3 char a[16];
   4 unsigned short u;
   5
   6 __int128
   7 foo (int i)
   8 {
   9   i -= (unsigned short) ~u;
  10   a[(unsigned short) i] = 1;
  11   return i;
  12 }
  13
  14 int
  15 main ()
  16 {
  17   __int128 x = foo (0);
  18   if (x != -0xffff)
  19     __builtin_abort();
  20 }