modernc.org/cc@v1.0.1/testdata/gcc-6.3.0/gcc/testsuite/gcc.c-torture/execute/20010904-2.c (about)

     1  typedef struct x { int a; int b; } __attribute__((aligned(32))) X;
     2  typedef struct y { X x; X y[31]; int c; } Y;
     3  
     4  Y y[2];
     5  
     6  int main(void)
     7  {
     8    if (((char *)&y[1] - (char *)&y[0]) & 31)
     9      abort ();
    10    exit (0);
    11  }