Turn stdout into binary mode during bitcode emission.

This is necessary on windows targets, since stdout is in text mode there.
Patch by Julien Lerouge!

llvm-svn: 52038

1 files changed, 5 insertions, 0 deletions

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index df644d0..0030aca 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -23,6 +23,7 @@
 #include "llvm/TypeSymbolTable.h"
 #include "llvm/ValueSymbolTable.h"
 #include "llvm/Support/MathExtras.h"
+#include "llvm/System/Program.h"
 using namespace llvm;
 
 /// These are manifest constants used by the bitcode writer. They do not need to
@@ -1292,6 +1293,10 @@ void llvm::WriteBitcodeToFile(const Module *M, std::ostream &Out) {
   // Emit the module.
   WriteModule(M, Stream);
   
+  // If writing to stdout, set binary mode.
+  if (llvm::cout == Out)
+      sys::Program::ChangeStdoutToBinary();
+
   // Write the generated bitstream to "Out".
   Out.write((char*)&Buffer.front(), Buffer.size());