gcc/testsuite/c-c++-common/ubsan/shift-3.c

/* { dg-do run } */
/* { dg-options "-fsanitize=shift -w -fno-sanitize-recover=shift" } */

int
main (void)
{
  unsigned int a = 1;
  a <<= 31;
  a <<= 1;
  return 0;
}