Partial fix for #11738 Bad AST for array with aggregate initialization #19230

Job	Run time
build_make (ubuntu:25.10)	4m 47s
build_make (ubuntu:24.04)	3m 2s
build_cmake (ubuntu:24.04, true, true)	2m 43s
build_cmake (alpine:3.23, false, false)	4m 28s
build_make (alpine:3.23)	5m 25s
build_cmake (ubuntu:25.10, true, true)	5m 53s
	26m 18s

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