Merge pull request dotnet/coreclr#7760 from pgavlin/VSO279832
authorPat Gavlin <pgavlin@gmail.com>
Sat, 22 Oct 2016 00:24:17 +0000 (17:24 -0700)
committerGitHub <noreply@github.com>
Sat, 22 Oct 2016 00:24:17 +0000 (17:24 -0700)
Properly initialize the varargs base lclVar.

Commit migrated from https://github.com/dotnet/coreclr/commit/eb6b52c30d616eb1378f30138c0b5115e69515fb


Trivial merge