gcc/testsuite/gcc.dg/tree-ssa/vrp36.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-vrp1-details" } */
   3
   4 int foo(int i)
   5 {
   6   if (i < 0 || i >= 5)
   7     return i == 1;
   8   return 1;
   9 }
  10
  11 /* { dg-final { scan-tree-dump "Removing dead stmt \[^\r\n\]* = i_.* == 1" "vrp1" } } */