Partial fix for #14576: Missing attribute alignas (aligned_storage ca… #5

Job	Run time
build (asan, -DANALYZE_ADDRESS=On, true, process, false)	17m 56s
build (ubsan, -DANALYZE_UNDEFINED=On, true, process, true)	51m 46s
build (tsan, -DANALYZE_THREAD=On, false, thread, false, --executor=thread --error-exitcode=0)	13m 23s
	1h 23m 5s

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