[PATCH] D86657: Add new hidden option -print-crash-IR that prints out IR that caused opt pipeline to crash

[Arthur Eubanks via Phabricator via llvm-commits]

aeubanks added a comment.

Also, adding a file to dump the IR to would be awesome for debugging crashes, maybe in a future change


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  https://reviews.llvm.org/D86657/new/

https://reviews.llvm.org/D86657