modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/compile/pr41282.c (about)

     1  struct S
     2  {
     3    unsigned int iu;
     4  };
     5  
     6  union U
     7  {
     8    struct S s;
     9    signed int is;
    10  };
    11  
    12  extern signed int bar ();
    13  
    14  struct S foo (void)
    15  {
    16    union U u;
    17  
    18    u.is = bar ();
    19    return u.s;
    20  }