Merge pull request dotnet/coreclr#1747 from stephentoub/string_tolowerupper_ascii
authorStephen Toub <stoub@microsoft.com>
Wed, 14 Oct 2015 22:24:34 +0000 (18:24 -0400)
committerStephen Toub <stoub@microsoft.com>
Wed, 14 Oct 2015 22:24:34 +0000 (18:24 -0400)
Add ASCII optimization to string.ToLower/ToUpper on Unix

Commit migrated from https://github.com/dotnet/coreclr/commit/c826885f85991fbeb1e99930f08ba4c3c4b8f9a8


Trivial merge