Merge pull request dotnet/coreclr#8209 from stephentoub/arraypool_perf
authorJan Kotas <jkotas@microsoft.com>
Thu, 1 Dec 2016 01:16:45 +0000 (17:16 -0800)
committerGitHub <noreply@github.com>
Thu, 1 Dec 2016 01:16:45 +0000 (17:16 -0800)
Improve ArrayPool implementation and performance

Commit migrated from https://github.com/dotnet/coreclr/commit/32e6bf8b03aafe84e6d24e0c36a65dd18d2054ed


Trivial merge