+
−/* { dg-do compile } */
+
−/* { dg-options "-O2" } */
+
−/* { dg-final { scan-assembler-not "memcmp" } } */
+
−#include <string.h>
+
−struct A { int x; } a, b;
+
−
+
−extern char s[], t[];
+
−
+
−int foo ()
+
−{
+
−  return memcmp (&a, &b, sizeof (struct A)) == 0;
+
−}