[PATCH] D94882: [MC] Upgrade DWARF version to 5 upon .file 0

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.
Herald added a subscriber: ormris.

Theoretically the diagnostic can be retained: we need another variable beside `MCContext::DwarfVersion` or making `MCContext::DwarfVersion` `Optional<int>`; and carefully doing similar thing on Clang cc1as side.

The diagnostic may not be worth the additional code complexity, though.


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https://reviews.llvm.org/D94882