modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr87053.c (about)

     1  /* PR middle-end/87053 */
     2  
     3  const union
     4  { struct {
     5      char x[4];
     6      char y[4];
     7    };
     8    struct {
     9      char z[8];
    10    };
    11  } u = {{"1234", "567"}};
    12  
    13  int main ()
    14  {
    15    if (__builtin_strlen (u.z) != 7)
    16      __builtin_abort ();
    17  }