Merge pull request dotnet/coreclr#3254 from hoyMS/bug2388
authorHongtao Yu <hoy@microsoft.com>
Fri, 19 Feb 2016 23:24:02 +0000 (15:24 -0800)
committerHongtao Yu <hoy@microsoft.com>
Fri, 19 Feb 2016 23:24:02 +0000 (15:24 -0800)
Bug 2388 Do not transform user-implemented math intrinsics that are tail calls.

Commit migrated from https://github.com/dotnet/coreclr/commit/1340098bdc6ac20566ccece2eb7de135866947f4


Trivial merge