gcc/testsuite/gcc.dg/pr38645.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 int foo()
   5 {
   6   volatile int a[1];
   7   int i, *p = (int*)a;
   8
   9   a[0] = 1;
  10   for (i = 0; i < 1; ++i)
  11     if (p[i])
  12       return -1;
  13   return 0;
  14 }
  15
  16 /* { dg-final { scan-tree-dump "a.0. ={v} 1;" "optimized" } } */