[PATCH] D78658: [clang][Frontend] Add missing error handling

[LemonBoy via Phabricator via cfe-commits]

LemonBoy added a comment.

> Perhaps this'd be more robust with ScopeExit?

Not really, `OnError` is not executed when/if the function succeeds.


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  https://reviews.llvm.org/D78658/new/

https://reviews.llvm.org/D78658