[PATCH] Include raw_ostream.h.

[Rui Ueyama]

Hi echristo,

Including only Debug.h did not cause a compilation error, but you couldn't
do anything (like writing something with <<) to raw_ostreams returned by
llvm::dbgs() or llvm::errs() without including raw_ostream.h.

http://llvm-reviews.chandlerc.com/D2183

Files:
  include/llvm/Support/Debug.h

Index: include/llvm/Support/Debug.h
===================================================================
--- include/llvm/Support/Debug.h
+++ include/llvm/Support/Debug.h
@@ -26,9 +26,9 @@
 #ifndef LLVM_SUPPORT_DEBUG_H
 #define LLVM_SUPPORT_DEBUG_H
 
-namespace llvm {
+#include "llvm/Support/raw_ostream.h"
 
-class raw_ostream;
+namespace llvm {
 
 /// DEBUG_TYPE macro - Files can specify a DEBUG_TYPE as a string, which causes
 /// all of their DEBUG statements to be activatable with -debug-only=thatstring.
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