// requires constant integer expressions
static int bar[] = {
        [__builtin_bswap16(0x1234)] = 0,                // OK
        [__builtin_bswap32(0x1234)] = 0,                // OK
        [__builtin_bswap64(0x1234)] = 0,                // OK
};

// requires constant integers
static int foo(unsigned long long a)
{
        switch (a) {
        case __builtin_bswap16(1   <<  8):
        case __builtin_bswap32(2L  << 24):
        case __builtin_bswap64(3LL << 56):
                return 0;
        default:
                return 1;
        }
}

/*
 * check-name: constness of pure/const builtins
 */