Merge pull request dotnet/coreclr#7022 from lemmaa/prevent-build-output-contamination
authorRama krishnan Raghupathy <ramarag@microsoft.com>
Wed, 7 Sep 2016 00:20:54 +0000 (17:20 -0700)
committerGitHub <noreply@github.com>
Wed, 7 Sep 2016 00:20:54 +0000 (17:20 -0700)
[Script] Prevent build output contamination while building test overlay

Commit migrated from https://github.com/dotnet/coreclr/commit/8bd85fe92fda9a2feff1a7d1388a174b64bab57b


Trivial merge