gcc/testsuite/gcc.dg/pr68217.c

   1
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-vrp1" } */
   4
   5 int foo (void)
   6 {
   7     volatile int a = -1;
   8     long long b = (1LL << (sizeof (b) * 8 - 1)); // LLONG_MIN
   9     long long x = (a & b); // x == 0x8000000000000000
  10     if (x < 1LL) { ; } else { __builtin_abort(); }
  11     return 0;
  12 }
  13
  14 /* { dg-final { scan-tree-dump "\\\[-INF, 0\\\]" "vrp1" } } */