Fix the type of a enum non-type template argument within the instantiation.

llvm-svn: 72489

clang/lib/Sema/SemaTemplate.cpp

@@ -1494,7 +1494,7 @@ bool Sema::CheckTemplateArgument(NonTypeTemplateParmDecl *Param,
       } 
 
       Converted->push_back(TemplateArgument(StartLoc, Value,
-                                   Context.getCanonicalType(IntegerType)));
+                      ParamType->isEnumeralType() ? ParamType : IntegerType));
     }
 
     return false;

clang/test/SemaTemplate/enum-argument.cpp

@@ -0,0 +1,7 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+enum Enum { val = 1 };
+template <Enum v> struct C {
+  typedef C<v> Self;
+};
+template struct C<val>;