modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/compile/cmp.c (about)

     1  struct fooalign {char x; double d;};
     2  union fooround {long x; double d;};
     3  
     4  int
     5  foo ()
     6  {
     7    int extra = 4;
     8    if (extra < sizeof (union fooround))
     9      extra = sizeof (union fooround);
    10    return extra;
    11  }