Add test for #14797: internalAstError with if in do while loop #20365

Job	Run time
build_cmake (ubuntu:25.10, true, true)	3m 18s
build_cmake (ubuntu:24.04, true, true)	5m 28s
build_make (ubuntu:25.10)	3m 25s
build_cmake (alpine:3.23, false, false)	4m 37s
build_make (ubuntu:24.04)	3m 1s
build_make (alpine:3.23)	6m 7s
	25m 56s

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