Mark unimplemented copy constructors and copy assignment operators as LLVM_DELETED_FUNCTION.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164090 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index 7633997..d10e850 100644
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -32,8 +32,8 @@
   OwningPtr<DWARFDebugAranges> Aranges;
   OwningPtr<DWARFDebugLine> Line;
 
-  DWARFContext(DWARFContext &); // = delete
-  DWARFContext &operator=(DWARFContext &); // = delete
+  DWARFContext(DWARFContext &) LLVM_DELETED_FUNCTION;
+  DWARFContext &operator=(DWARFContext &) LLVM_DELETED_FUNCTION;
 
   /// Read compile units from the debug_info section and store them in CUs.
   void parseCompileUnits();