tree 9c267ff40fe42237bc881985b5255767c35a58d9
parent 4e494cf56325f26a6c3eb5a065c35e54835f14e6
author Benjamin Kramer <benny.kra@googlemail.com> 1331412936 +0000
committer Benjamin Kramer <benny.kra@googlemail.com> 1331412936 +0000

Use VersionTuple to manage macosx versions in the driver. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152504 91177308-0d34-0410-b5e6-96231b3b80d8