Fix some comments referring to std::cerr.

llvm-svn: 77931
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 0461f40..858f403 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -62,8 +62,8 @@
   char Printer::ID = 0;
 }
 
-/// Returns a newly-created MachineFunction Printer pass. The default output
-/// stream is std::cerr; the default banner is empty.
+/// Returns a newly-created MachineFunction Printer pass. The default banner is
+/// empty.
 ///
 FunctionPass *llvm::createMachineFunctionPrinterPass(std::ostream *OS,
                                                      const std::string &Banner){