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Daniel Dunbar d24535fe3c raw_ostream: Lift out flush_nonempty.
- Flush a known non-empty buffers; enforces the interface to
   flush_impl and kills off HandleFlush (which I saw no reason to be
   an inline method, Chris?).

 - Clarify invariant that flush_impl is only called with OutBufCur >
   OutBufStart.

 - This also cleary collects all places where we have to deal with the
   buffer possibly not existing.

 - A few more comments and fixing the unbuffered behavior remain in
   this commit sequence.

llvm-svn: 67057
2009-03-16 22:55:06 +00:00
clang some updates, Daniel points out that this is woefully out of date. 2009-03-16 20:06:22 +00:00
llvm raw_ostream: Lift out flush_nonempty. 2009-03-16 22:55:06 +00:00