Push twines deeper into SourceMgr's error handling methods.

llvm-svn: 114847
13 files changed
tree: 432f0f802e6154a89baab92a4588b7ee4420d43d
  1. clang/
  2. compiler-rt/
  3. debuginfo-tests/
  4. libcxx/
  5. lldb/
  6. llvm/