[PATCH] D150226: [Clang] Remove ability to downgrade warning on the diagnostic for setting a non fixed enum to a value outside the range of the enumeration values

[Carlos Galvez via Phabricator via cfe-commits]

carlosgalvezp added a comment.

> I still think even if we can subset this, for whatever we're going to turn into a hard error, it should be a warning-as-error in system headers first for at least a release. (so perhaps the transition should look like: null (no diagnostic) -> warning -> warning-default-to-error -> warning-default-to-error-even-in-system-headers -> hard error)

@dblaikie Thanks for the input, I believe I achieve the behavior you propose here, feel free to review! https://github.com/llvm/llvm-project/pull/67528


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https://reviews.llvm.org/D150226