[PATCH] D53653: [Spectre] Fix MIR verifier errors in retpoline thunks

[Reid Kleckner via Phabricator via llvm-commits]

rnk added a comment.

I'm going to land this so we can close out the bug and enable the MIR verifier for x86. Feel free to add comments post commit.


https://reviews.llvm.org/D53653