commit 286e5e6c611f492dccba12988c851510bfbb2f63
author Chris Lattner <sabre@nondot.org> Sun Aug 17 07:09:08 2008 +0000
committer Chris Lattner <sabre@nondot.org> Sun Aug 17 07:09:08 2008 +0000
tree 0a990e3cdd959308b355c0e617a766c79c7e2a75
parent b52817bff054befc7a449188d46d0c61e3b040fd

printing with an unspecified dest means to print to stdout.

llvm-svn: 54872

clang/Driver/PrintPreprocessedOutput.cpp

diff --git a/clang/Driver/PrintPreprocessedOutput.cpp b/clang/Driver/PrintPreprocessedOutput.cpp
index 2a363f8..b903008 100644
--- a/clang/Driver/PrintPreprocessedOutput.cpp
+++ b/clang/Driver/PrintPreprocessedOutput.cpp
@@ -500,7 +500,7 @@
   
   // Open the output buffer.
   std::string Err;
-  llvm::raw_fd_ostream OS(OutFile.c_str(), Err);
+  llvm::raw_fd_ostream OS(OutFile.empty() ? "-" : OutFile.c_str(), Err);
   if (!Err.empty()) {
     fprintf(stderr, "%s\n", Err.c_str());
     exit(1);