1 files changed, 3 insertions, 6 deletions
diff --git a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
index dd4dd50f0b..744fb24048 100644
--- a/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCOpts.cpp
@@ -835,8 +835,7 @@ static MDString *AppendMDNodeToSourcePtr(unsigned NodeId,
       // of line at the module level and to provide a very simple format
       // encoding the information herein. Both of these makes it simpler to
       // parse the annotations by a simple external program.
-      std::string Str;
-      raw_string_ostream os(Str);
+      string_ostream os;
       os << "(" << Inst->getParent()->getParent()->getName() << ",%"
          << Inst->getName() << ")";
 
@@ -849,8 +848,7 @@ static MDString *AppendMDNodeToSourcePtr(unsigned NodeId,
       Hash = cast<MDString>(Node->getOperand(0));
     }
   } else if (Argument *Arg = dyn_cast<Argument>(Ptr)) {
-    std::string str;
-    raw_string_ostream os(str);
+    string_ostream os;
     os << "(" << Arg->getParent()->getName() << ",%" << Arg->getName()
        << ")";
     Hash = MDString::get(Arg->getContext(), os.str());
@@ -860,8 +858,7 @@ static MDString *AppendMDNodeToSourcePtr(unsigned NodeId,
 }
 
 static std::string SequenceToString(Sequence A) {
-  std::string str;
-  raw_string_ostream os(str);
+  string_ostream os;
   os << A;
   return os.str();
 }