Partial fix for #14576: Missing attribute alignas (aligned_storage case) #19392

Job	Run time
build_cmake (ubuntu:25.10, true, true)	4m 1s
build_make (alpine:3.23)	5m 59s
build_make (ubuntu:24.04)	4m 16s
build_make (ubuntu:25.10)	4m 28s
build_cmake (alpine:3.23, false, false)	4m 24s
build_cmake (ubuntu:24.04, true, true)	3m 59s
	27m 7s

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