Frontend: Switch -header-include-file output to use unbuffered raw_ostreams with
the atomic writes option, since the intent is that this option be set for an
entire build, which may have any number of compiler instances writing to the
same output file.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124772 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed