Merge pull request #12552 from mikedn/switch-bt
authorBruce Forstall <brucefo@microsoft.com>
Mon, 20 Nov 2017 21:01:09 +0000 (13:01 -0800)
committerGitHub <noreply@github.com>
Mon, 20 Nov 2017 21:01:09 +0000 (13:01 -0800)
Use BT in switch lowering


Trivial merge