Consistently name the directories should_*.

[cparser] / parsetest / should_fail / weird_label.c

#include <stdio.h>

int main(int argc, char *argv) {
        switch (argc) {
                ({ weird: printf("It's forbidden to jump here\n"); argc; });
        case -1:
                break;
        default:
                goto weird;
        }
        return 0;
}