[PATCH] D137791: [SDAG] bail out of mergeTruncStores() if there's an unknown store in the chain

[Jonas Paulsson via Phabricator via llvm-commits]

jonpa added a comment.

I can confirm that the patch fixes the unreduced C-smith test case also.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D137791/new/

https://reviews.llvm.org/D137791