diff --git a/lib/Sema/SemaTemplateDeduction.cpp b/lib/Sema/SemaTemplateDeduction.cpp
index db7e622..fe779eb 100644
--- a/lib/Sema/SemaTemplateDeduction.cpp
+++ b/lib/Sema/SemaTemplateDeduction.cpp
@@ -265,6 +265,9 @@
       return false;
     }
       
+    //     type(*)(T) 
+    //     T(*)() 
+    //     T(*)(T) 
     case Type::FunctionProto: {
       const FunctionProtoType *FunctionProtoArg = 
         dyn_cast<FunctionProtoType>(Arg);