[AsmPrinter] Make AsmPrinter's OutStreamer member a unique_ptr.

AsmPrinter owns the OutStreamer, so an owning pointer makes sense here. Using a
reference for this is crufty.

llvm-svn: 235752

1 files changed, 1 insertions, 1 deletions

diff --git a/llvm/include/llvm/CodeGen/AsmPrinter.h b/llvm/include/llvm/CodeGen/AsmPrinter.h
index 11f98ca6b94..ea135d73ae0 100644
--- a/llvm/include/llvm/CodeGen/AsmPrinter.h
+++ b/llvm/include/llvm/CodeGen/AsmPrinter.h
@@ -78,7 +78,7 @@ public:
   /// This is the MCStreamer object for the file we are generating. This
   /// contains the transient state for the current translation unit that we are
   /// generating (such as the current section etc).
-  MCStreamer &OutStreamer;
+  std::unique_ptr<MCStreamer> OutStreamer;
 
   /// The current machine function.
   const MachineFunction *MF;