1  /* { dg-do compile } */
       2  
       3  struct __attribute__((may_alias)) S { long long low; int high; };
       4  struct S foo (void);
       5  long double
       6  bar (void)
       7  {
       8    long double a;
       9    *(struct S *)&a = foo ();
      10    return a;
      11  }