gcc/testsuite/c-c++-common/asan/pr80308.c

   1 /* PR sanitizer/80308 */
   2 /* { dg-do run } */
   3
   4 __attribute__((noinline, noclone)) int
   5 foo (char *a)
   6 {
   7   int i, j = 0;
   8   asm volatile ("" : "+r" (a) : : "memory");
   9   for (i = 0; i < 12; i++)
  10     j += a[i];
  11   return j;
  12 }
  13
  14 int
  15 main ()
  16 {
  17   int i, j = 0;
  18   for (i = 0; i < 4; i++)
  19     {
  20       char a[12];
  21       __builtin_memset (a, 0, sizeof (a));
  22       j += foo (a);
  23     }
  24   return j;
  25 }