1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Object/Error.cpp b/llvm/lib/Object/Error.cpp
index 010c5b42dac2..bc75bc6c0445 100644
--- a/llvm/lib/Object/Error.cpp
+++ b/llvm/lib/Object/Error.cpp
@@ -11,6 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Object/Error.h"
+#include "llvm/ADT/Twine.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/ManagedStatic.h"
 
@@ -60,9 +61,10 @@ void BinaryError::anchor() {}
 char BinaryError::ID = 0;
 char GenericBinaryError::ID = 0;
 
-GenericBinaryError::GenericBinaryError(Twine Msg) : Msg(Msg.str()) {}
+GenericBinaryError::GenericBinaryError(const Twine &Msg) : Msg(Msg.str()) {}
 
-GenericBinaryError::GenericBinaryError(Twine Msg, object_error ECOverride)
+GenericBinaryError::GenericBinaryError(const Twine &Msg,
+                                       object_error ECOverride)
     : Msg(Msg.str()) {
   setErrorCode(make_error_code(ECOverride));
 }