+
−/* PR target/82274 */
+
−/* { dg-do run } */
+
−/* { dg-shouldfail "trapv" } */
+
−/* { dg-options "-ftrapv" } */
+
−
+
−int
+
−main ()
+
−{
+
−#ifdef __SIZEOF_INT128__
+
−  volatile __int128 m = -(((__int128) 1) << (__CHAR_BIT__ * __SIZEOF_INT128__ / 2));
+
−#else
+
−  volatile long long m = -(1LL << (__CHAR_BIT__ * __SIZEOF_LONG_LONG__ / 2));
+
−#endif
+
−  m = m * m;
+
−  return 0;
+
−}