Change Pass::print to take a raw ostream instead of std::ostream,
update all code that this affects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79830 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/opt/GraphPrinters.cpp b/tools/opt/GraphPrinters.cpp
index 5d581e4..6bd0a6e 100644
--- a/tools/opt/GraphPrinters.cpp
+++ b/tools/opt/GraphPrinters.cpp
@@ -70,8 +70,7 @@
       return false;
     }
 
-    void print(std::ostream &OS) const {}
-    void print(std::ostream &OS, const llvm::Module*) const {}
+    void print(raw_ostream &OS, const llvm::Module*) const {}
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<CallGraph>();