[PATCH] D60184: [FastISel] Fix crash for gc.relocate lowring

[Philip Reames via Phabricator via llvm-commits]

reames requested changes to this revision.
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Hm, I think it's better to weaken the invariant in this case.  If the instruction is dead, then selectiondag shouldn't be lowering it or expecting to lower it.


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https://reviews.llvm.org/D60184