[PATCH] D27280: [PGO] fix PGO use ICE when there are unreachable BBs

[Rong Xu via Phabricator via llvm-commits]

xur added a comment.

to clarify my previous comments: I meant two more places needed to use the new interface. they were included in patch set 2 that just uploaded.


https://reviews.llvm.org/D27280