Make the following functions thread-safe but having them return an std::string that is reconstructed
every time they are called:

getClangRevision()
getClangFullRepositoryVersion()
getClangFullVersion()

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@96033 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed