Merge pull request dotnet/coreclr#8640 from pgavlin/VSO359734
authorPat Gavlin <pgavlin@gmail.com>
Thu, 15 Dec 2016 00:14:46 +0000 (16:14 -0800)
committerGitHub <noreply@github.com>
Thu, 15 Dec 2016 00:14:46 +0000 (16:14 -0800)
Fix ref count adjustment in `fgMorphBlockStmt`.

Commit migrated from https://github.com/dotnet/coreclr/commit/c4acde88f46c423c3d0a25b6fef17bd2469c0641


Trivial merge