modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/struct-ret-2.c (about)

     1  typedef struct
     2  {
     3    unsigned char a __attribute__ ((packed));
     4    unsigned short b __attribute__ ((packed));
     5  } three_byte_t;
     6  
     7  unsigned char
     8  f (void)
     9  {
    10    return 0xab;
    11  }
    12  
    13  unsigned short
    14  g (void)
    15  {
    16    return 0x1234;
    17  }
    18  
    19  main ()
    20  {
    21    three_byte_t three_byte;
    22  
    23    three_byte.a = f ();
    24    three_byte.b = g ();
    25    if (three_byte.a != 0xab || three_byte.b != 0x1234)
    26      abort ();
    27    exit (0);
    28  }
    29