When some template parameters of a class template partial
specialization cannot be deduced, produce a warning noting that the
affected class template partial specialization will never be used.
llvm-svn: 73274
diff --git a/clang/test/SemaTemplate/temp_class_spec_neg.cpp b/clang/test/SemaTemplate/temp_class_spec_neg.cpp
index b9a12cb..b50bd8f 100644
--- a/clang/test/SemaTemplate/temp_class_spec_neg.cpp
+++ b/clang/test/SemaTemplate/temp_class_spec_neg.cpp
@@ -39,3 +39,7 @@
int N = 17, // expected-error{{default template argument}}
template<typename X> class TT = ::vector> // expected-error{{default template argument}}
struct Test0<T*, N, TT> { };
+
+template<typename T> struct Test1;
+template<typename T, typename U> // expected-note{{non-deducible}}
+ struct Test1<T*> { }; // expected-warning{{never be used}}