gcc/testsuite/gcc.dg/tree-ssa/reassoc-29.c

   1 /* PR tree-optimization/57322 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-w -O1" } */
   4 int a;
   5
   6 void f (void)
   7 {
   8   char b;
   9
  10   for (;; a++)
  11     {
  12       char *p = &b, *q;
  13       *q = b < 0 & !!*p;
  14     }
  15 }