gcc/testsuite/gcc.dg/tree-ssa/vrp68.c

   1 /* { dg-do link } */
   2 /* { dg-options "-O2 -fdump-tree-vrp1" } */
   3
   4 #include "vrp.h"
   5
   6 void test1 (int i, int j, int b)
   7 {
   8   RANGE(i, 2, 6);
   9   ANTI_RANGE(j, 1, 7);
  10   MERGE(b, i, j);
  11   CHECK_ANTI_RANGE(i, 1, 1);
  12 }
  13 int main() { }
  14
  15 /* VRP will arbitrarily choose ~[1, 1] when merging [2, 6] with ~[1, 7].  */
  16
  17 /* { dg-final { scan-tree-dump-times "link_error" 0 "vrp1" } } */