Merge pull request dotnet/coreclr#20038 from CarolEidt/Fix20031
authorCarol Eidt <carol.eidt@microsoft.com>
Wed, 19 Sep 2018 23:25:15 +0000 (16:25 -0700)
committerGitHub <noreply@github.com>
Wed, 19 Sep 2018 23:25:15 +0000 (16:25 -0700)
Fix MultiReg methods on GenTree

Commit migrated from https://github.com/dotnet/coreclr/commit/300975cd8581101aa765bb655a098d3d259ed2b8


Trivial merge