diff --git a/lib/Sema/SemaTemplateInstantiateDecl.cpp b/lib/Sema/SemaTemplateInstantiateDecl.cpp
index ef8f366..0d4ad30 100644
--- a/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -1374,8 +1374,7 @@
   }
 
   SmallVector<ParmVarDecl *, 4> Params;
-  TypeSourceInfo *TInfo = D->getTypeSourceInfo();
-  TInfo = SubstFunctionType(D, Params);
+  TypeSourceInfo *TInfo = SubstFunctionType(D, Params);
   if (!TInfo)
     return 0;
   QualType T = TInfo->getType();