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

[Anna Thomas via Phabricator via llvm-commits]

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In D86657#2684482 <https://reviews.llvm.org/D86657#2684482>, @aeubanks wrote:

> maybe an `assert(false)` is more portable?

@jamieschmeiser  does that help? Wondering if that will allow to land this. This is a good option to have.


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https://reviews.llvm.org/D86657