gcc/testsuite/gcc.dg/pr114493-2.c

   1 /* PR c/114493 */
   2 /* { dg-do compile { target lto } } */
   3 /* { dg-options "-O2 -flto -std=c23" } */
   4
   5 void foo (void);
   6 struct S;
   7 struct S bar (struct S **);
   8 struct S qux (const struct S **);
   9
  10 void
  11 corge (void)
  12 {
  13   struct S { int s; } s;
  14   s.s = 0;
  15 }
  16
  17 struct __attribute__((__may_alias__)) S {
  18   int s;
  19 };
  20
  21 struct S
  22 baz (void)
  23 {
  24   foo ();
  25   return (struct S) {};
  26 }