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/* { dg-do compile } */
/* { dg-options "-O2 -march=atom" } */

struct foo_t {
  int limit;
} foo[3];
void
bar () {
  int i;
  for (i = 0; i < 3; i++) {
    __builtin_memset (&foo[i], 0, sizeof(*foo));
  }
}