[PATCH] D23082: [AutoFDO] Fix handling of empty profiles

[Diego Novillo via llvm-commits]

dnovillo added a comment.

Adding Dehao.  ISTR something special about 0 counts in profiles, but I don't recall details.  Dehao, this looks fine to me, but will it break anything for samplepgo?


https://reviews.llvm.org/D23082