[PATCH] D157300: [lld-macho]Rework error-checking in peeking at first-member in archive to avoid segfault.

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

> calling getMemoryBufferRef() on an empty archive can sometimes trigger segfault so the code should check before calling this. this seems like a bug in the Archive API but that can be fixed separately.

Is there a test case? When is "sometimes"?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D157300/new/

https://reviews.llvm.org/D157300