diff options
| author | Daniel Dunbar <daniel@zuster.org> | 2010-09-08 18:19:55 +0000 |
|---|---|---|
| committer | Daniel Dunbar <daniel@zuster.org> | 2010-09-08 18:19:55 +0000 |
| commit | 4566d1a0e5750dc21bd9120be3e1a98d60db5620 (patch) | |
| tree | ea66ee6dc21530ece800c841c0220a2696c13afb /lib/Frontend/PrintPreprocessedOutput.cpp | |
| parent | 01b7c3028da5bbcb9f8e52ba67e4613070de0e60 (diff) | |
Frontend/-H: Add comment on why I used a temporary string here.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113379 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Frontend/PrintPreprocessedOutput.cpp')
| -rw-r--r-- | lib/Frontend/PrintPreprocessedOutput.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Frontend/PrintPreprocessedOutput.cpp b/lib/Frontend/PrintPreprocessedOutput.cpp index cfaf8a23b1..5ae02f97bd 100644 --- a/lib/Frontend/PrintPreprocessedOutput.cpp +++ b/lib/Frontend/PrintPreprocessedOutput.cpp @@ -263,6 +263,7 @@ void PrintPPOutputPPCallbacks::FileChanged(SourceLocation Loc, // predefines buffer. if (DumpHeaderIncludes && HasProcessedPredefines && Reason == PPCallbacks::EnterFile) { + // Write to a temporary string to avoid unnecessary flushing on errs(). llvm::SmallString<256> Msg; llvm::raw_svector_ostream OS(Msg); for (unsigned i = 0; i != CurrentIncludeDepth; ++i) |