[PATCH] D91670: Fix crash after looking up dwo_id=0 in CU index.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

> then the check Rows[H].getSignature() != S won't fail

The condition fails. It should return `nullptr` but returned a Rows entry.


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  https://reviews.llvm.org/D91670/new/

https://reviews.llvm.org/D91670