gcc/testsuite/gcc.dg/tree-ssa/pr84859.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -Warray-bounds -fdump-tree-phiopt1" } */
   3
   4 void
   5 h (const void *p, unsigned n)
   6 {
   7   unsigned char a[8];
   8   if (n > sizeof a)
   9     return;
  10
  11   for (; n > 0; n -= *a)
  12     {
  13       if (n > 255)
  14         *a = 255;
  15       else
  16         *a = n;
  17
  18       __builtin_memcpy (a, p, *a);   /* { dg-bogus "bounds" } */
  19     }
  20 }
  21
  22 /* { dg-final { scan-tree-dump "MIN_EXPR" "phiopt1" } } */