Merge pull request #15500 from mikedn/const-tree
authorBruce Forstall <brucefo@microsoft.com>
Wed, 13 Dec 2017 18:15:04 +0000 (10:15 -0800)
committerGitHub <noreply@github.com>
Wed, 13 Dec 2017 18:15:04 +0000 (10:15 -0800)
Make GenTree::AsX, gtGetOp1 and gtGetOp2 const


Trivial merge