Merge pull request dotnet/coreclr#9791 from dotnet/revert-9231-MinOptsSimplifiedGCtra...
authorJan Kotas <jkotas@microsoft.com>
Sat, 25 Feb 2017 16:09:54 +0000 (08:09 -0800)
committerGitHub <noreply@github.com>
Sat, 25 Feb 2017 16:09:54 +0000 (08:09 -0800)
Revert "Simplified MinOpts GC ref tracking."

Commit migrated from https://github.com/dotnet/coreclr/commit/f6e419fa12f666c77841a8b97781d95cf30cd793


Trivial merge