gcc/testsuite/gcc.dg/pr52171.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3 /* { dg-final { scan-assembler-not "memcmp" } } */
   4 #include <string.h>
   5 struct A { int x; } a, b;
   6
   7 extern char s[], t[];
   8
   9 int foo ()
  10 {
  11   return memcmp (&a, &b, sizeof (struct A)) == 0;
  12 }