Avoid copying undo data
Apply clang-format on some infrequently-updated files
Merge pull request #4835

ab15b2e Avoid copying undo data (Pieter Wuille)
Merge pull request #4933

20e01b1 Apply clang-format on some infrequently-updated files (Pieter Wuille)
Merge remote-tracking branch 'upstream/master' into msvc_impairment