gcc/testsuite/gcc.dg/torture/pr98773.c

   1 /* { dg-do run } */
   2
   3 char a[128];
   4
   5 void __attribute__((noipa))
   6 foo ()
   7 {
   8   for (unsigned i = 27; i >= 5; --i)
   9     a[i] = a[i-5];
  10 }
  11
  12 int main()
  13 {
  14   __builtin_memcpy (a, "Hello World", sizeof ("Hello World"));
  15   foo ();
  16   if (__builtin_memcmp (a + 5, "Hello World", sizeof ("Hello World")) != 0)
  17     __builtin_abort ();
  18   return 0;
  19 }