ref: e06ce64d6557512a21c46a2dfa864f2e9a08f70b dir: /tests/cc/execute/0210-flexible.c/
struct str { int a; char v[]; }; int main(void) { struct str *p; int ary[20]; p = (struct str *) ary; p->a = 2; p->v[0] = 1; return !(p->a + p->v[0] == 3); }