For the miscompilations, the fix wouldn't add a new compile error. Instead, rc.exe would just start doing the right thing in certain scenarios, so previously broken things would start working. For example, padding bytes that were previously missing would get properly added.
It's always theoretically possible that someone, somewhere is somehow relying on such a miscompilation, but for many of the ones detailed in the article, it seems extraordinarily unlikely.
It's always theoretically possible that someone, somewhere is somehow relying on such a miscompilation, but for many of the ones detailed in the article, it seems extraordinarily unlikely.