[PATCH] D57437: GlobalISel: Add assert that legalize mutation makes sense

[Jessica Paquette via Phabricator via llvm-commits]

paquette accepted this revision.
paquette added a comment.
This revision is now accepted and ready to land.

This seems like a good idea. LGTM.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D57437/new/

https://reviews.llvm.org/D57437