Merge pull request dotnet/coreclr#8507 from stephentoub/portcorert_cwt
authorStephen Toub <stoub@microsoft.com>
Fri, 9 Dec 2016 18:04:01 +0000 (13:04 -0500)
committerGitHub <noreply@github.com>
Fri, 9 Dec 2016 18:04:01 +0000 (13:04 -0500)
Make ConditionalWeakTable reads lock-free

Commit migrated from https://github.com/dotnet/coreclr/commit/7adcc81a8adc10e3fbd47a1dcf2d1218cedaf58c


Trivial merge