gcc/testsuite/gcc.dg/torture/pr90972.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-mcpu=power8" { target powerpc*-*-* } } */
   3 /* { dg-additional-options "-w" { target avr-*-* } } */
   4
   5 long f;
   6 void a();
   7 void *g()
   8 {
   9   char h[] = {}, j[] = {}, k[] = {}, l[] = {}, m[] = {}, n[] = {}, o[] = {},
  10        q[] = {}, r[] = {};
  11   static const char i[] = {6, 0};
  12   const char *nops[] = {h, i, j, k, l, m, n, o, q, r};
  13   long s = 2;
  14   void *fill = a;
  15   char *p = fill;
  16   while (f) {
  17       void *b = p;
  18       const void *c = nops[1];
  19       long d = s, e = __builtin_object_size(b, 0);
  20       __builtin___memcpy_chk(b, c, d, e);
  21       p += s;
  22       f -= s;
  23   }
  24   return fill;
  25 }