Merge pull request dotnet/coreclr#7584 from sivarv/regressionTest
authorSivarv <sivarv@microsoft.com>
Wed, 12 Oct 2016 23:45:20 +0000 (16:45 -0700)
committerGitHub <noreply@github.com>
Wed, 12 Oct 2016 23:45:20 +0000 (16:45 -0700)
Adding JIT regression test for the re-morph optimzation that transforms JIT_Stelem_Ref(a, null, i)  into a[i]=null.

Commit migrated from https://github.com/dotnet/coreclr/commit/5e8d8ce69ef23e575dc95e538f9de580eae20fdb


Trivial merge