Handle temporaries in default arguments.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73462 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaDeclCXX.cpp b/lib/Sema/SemaDeclCXX.cpp
index 8f64e78..70057a3 100644
--- a/lib/Sema/SemaDeclCXX.cpp
+++ b/lib/Sema/SemaDeclCXX.cpp
@@ -147,8 +147,11 @@
     return;
   }
 
+  DefaultArgPtr = MaybeCreateCXXExprWithTemporaries(DefaultArg.take(),
+                                                    /*DestroyTemps=*/false);
+  
   // Okay: add the default argument to the parameter
-  Param->setDefaultArg(DefaultArg.take());
+  Param->setDefaultArg(DefaultArgPtr);
 }
 
 /// ActOnParamUnparsedDefaultArgument - We've seen a default