root/usr/src/tools/smatch/src/validation/bug-rshift-ub.c
enum a {
        A = ~0ULL,
};

static enum a a = A;

/*
 * check-name: bug-rshift-ub
 * check-description:
 *      This test trigger(ed) a bug on x86 caused by a
 *      full width shift (which is UB), expecting to get
 *      0 but giving the unshifted value and as result
 *      the type is invalid:
 *              warning: incorrect type in initializer (invalid types)
 *                       expected bad type enum a static [toplevel] a
 */