max_align_t
tls_allocation = roundup2(tls_size, alignof(max_align_t));
alignof(max_align_t));
ATF_CHECK_MSG((a = alignof(max_align_t)) >= alignof(long long),
ATF_CHECK_MSG((a = alignof(max_align_t)) >= alignof(long double),
ATF_CHECK_MSG((a = alignof(max_align_t)) >= alignof(void *),
ATF_CHECK_MSG((a = alignof(max_align_t)) >= alignof(int (*)(void)),
typedef max_align_t nbtest_max_align_t;