ref: b7f42e58b25d64fa8a03e8ac06a5f5e5e92c552a dir: /tests/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; }