Use C11 alignas in pg_atomic_uint64 definitions
They were already using pg_attribute_aligned. This replaces that with
alignas and moves that into the required syntactic position. This
ends up making these three atomics implementations appear a bit more
consistent, but shouldn't change anything otherwise.
Reviewed-by: Chao Li <li.evan.chao@gmail.com>
Discussion: https://www.postgresql.org/message-id/flat/46f05236-d4d4-4b4e-84d4-faa500f14691%40eisentraut.org
Branch
------
master
Details
-------
https://git.postgresql.org/pg/commitdiff/e7075a3405cc831128a71e83b2e39d464aa67fe8
Modified Files
--------------
src/include/port/atomics/arch-ppc.h | 2 +-
src/include/port/atomics/generic-gcc.h | 3 +--
src/include/port/atomics/generic-msvc.h | 4 ++--
3 files changed, 4 insertions(+), 5 deletions(-)
