ref: 24df403e7e688d13b5c5c29ca5a9fa6c6b2499df dir: /tests/execute/0054-struct.c/
int main() { struct T { int x; } s1; s1.x = 1; { struct T { int y; } s2; s2.y = 1; if (s1.x - s2.y != 0) return 1; } return 0; }