[PATCH] D144008: [DebugMetadata][DwarfDebug] Support function-local static variables in lexical block scopes (7/7)

[Adrian Prantl via Phabricator via llvm-commits]

aprantl added a comment.

> I don't /think/ that's the case - I know Apple used to have a pretty significant dependence on IR upgrading at least invalidating the IR metadata & dropping it (so maybe all you need to do is update the debug info IR verifier so that old IR gets deemed invalid and dropped - not necessarily upgraded).

We've supported upgrading older debug info metadata BitCode for the last couple of years. See the code in `llvm/lib/Bitcode/Reader/MetadataLoader.cpp`. We never supported reading older textual IR.


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https://reviews.llvm.org/D144008