From 08fc0d30267340ef46751615cf6978336a25d0f8 Mon Sep 17 00:00:00 2001
From: David Greene <greened@obbligato.org>
Date: Tue, 5 Jan 2010 01:30:32 +0000
Subject: [PATCH] Enable debug buffering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92667 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/opt/opt.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index 50a2e390ce6..a636bd9b04f 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -26,6 +26,7 @@
 #include "llvm/Target/TargetMachine.h"
 #include "llvm/Support/PassNameParser.h"
 #include "llvm/System/Signals.h"
+#include "llvm/Support/Debug.h"
 #include "llvm/Support/IRReader.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
@@ -344,6 +345,9 @@ int main(int argc, char **argv) {
   sys::PrintStackTraceOnErrorSignal();
   llvm::PrettyStackTraceProgram X(argc, argv);
   
+  // Enable debug stream buffering.
+  EnableDebugBuffering = true;
+
   llvm_shutdown_obj Y;  // Call llvm_shutdown() on exit.
   LLVMContext &Context = getGlobalContext();
   
-- 
2.11.4.GIT