static void lock(void) __attribute__((context(0,1)))
{
	__context__(1);
}

static void unlock(void) __attribute__((context(1,0)))
{
	__context__(-1);
}

extern int cond, cond2;

static void foo (void)
{
}

static void warn_cifs(void)
{

again:
	if (cond) {
		return;
	}

	if (cond) {
		int x;

		x = cond2;

		while (cond) {
			if (cond) {
				goto read_rfc1002_done;
			}

			if (cond) {
				x--;
				if (!x)
					lock();
				foo();
				if (!x)
					unlock();

			} else
				foo();

		}

		lock();
		foo();
		unlock();

read_rfc1002_done:
		return;
	}


	if (cond)
		return;

	goto again;
}

/*
 * check-name: Check -Wcontext bis
 *
 * check-error-start
 * check-error-end
 */