gcc/testsuite/gcc.dg/pr115092.c

   1 /* PR rtl-optimization/115092 */
   2 /* { dg-do run } */
   3 /* { dg-options "-O1 -fgcse -ftree-pre -fno-tree-dominator-opts -fno-tree-fre -fno-guess-branch-probability" } */
   4
   5 int a, b, c = 1, d, e;
   6
   7 int
   8 main ()
   9 {
  10   int f, g = a;
  11   b = -2;
  12   f = -(1 >> ((c && b) & ~a));
  13   if (f <= b)
  14     d = g / e;
  15   return 0;
  16 }