ref: ed874de117ff9d2eea35b69cd6a2fcb61f521c1a dir: /tests/execute/0136-if.c/
int c; int main() { if(0) { return 1; } else if(0) { /* empty */ } else { if(1) { if(c) return 1; else return 0; } else { return 1; } } return 1; }