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.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73274 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/Sema.h b/lib/Sema/Sema.h
index 7e32c11..d77036f 100644
--- a/lib/Sema/Sema.h
+++ b/lib/Sema/Sema.h
@@ -2163,7 +2163,10 @@
   DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial,
                           const TemplateArgumentList &TemplateArgs,
                           TemplateDeductionInfo &Info);
-                             
+                   
+  void MarkDeducedTemplateParameters(const TemplateArgumentList &TemplateArgs,
+                                     llvm::SmallVectorImpl<bool> &Deduced);
+          
   //===--------------------------------------------------------------------===//
   // C++ Template Instantiation
   //