[Analyzer] Static analyzer script for updating reference results
[Analyzer] Static analyzer script for updating reference results

The script updates reference results from the previous run, and stages them.

Differential Revision: https://reviews.llvm.org/D38157

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@313950 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang