[llvm] Fix crash due to un-checked error in LVReaderHandler::handleArchive method (PR #118951)

[Reid Kleckner via llvm-commits]

rnk wrote:

Thanks for the fix!

@tstellar @tru : note the use of the binary file for unittest purposes here. I don't see a reasonable way to avoid this file and retain this test with today's test infra system.

https://github.com/llvm/llvm-project/pull/118951