ErrorInfoBase::message(): Don't use raw_string_ostream's buffer, Msg, before closing. Use raw_string_ostream::str() to flush the buffer.

llvm-svn: 268856

llvm/include/llvm/Support/Error.h

@@ -41,7 +41,7 @@ public:
     std::string Msg;
     raw_string_ostream OS(Msg);
     log(OS);
-    return Msg;
+    return OS.str();
   }
 
   /// Convert this error to a std::error_code.