modernc.org/ccgo/v3@v3.16.14/lib/testdata/gcc-9.1.0/gcc/testsuite/gcc.c-torture/execute/pr19687.c (about)

     1  extern void abort (void);
     2  
     3  union U
     4  {
     5    int i, j[4];
     6  };
     7  
     8  int main ()
     9  {
    10    union U t = {};
    11    int i;
    12  
    13    for (i = 0; i < 4; ++i)
    14      if (t.j[i] != 0)
    15        abort ();
    16  
    17    return 0;
    18  }