Driver: Default to using PTH for C++ precompiled header support, PCH for C++
isn't implemented yet.
 - <rdar://problem/7297571> Clang should use pretokenized headers for C++ PCH
   files

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@84197 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed