Encode the Clang branch and Subversion revision into a PCH file, and
assume that PCH files from different Clang revisions are not
compatible. Addresses <rdar://problem/7266572>.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83323 91177308-0d34-0410-b5e6-96231b3b80d8
4 files changed