Diagnose attempts to use 'using typename' with a non-identifier name,

from Stepan Dyatkovskiy. Fixes PR10925.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140528 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/test/SemaTemplate/typename-specifier.cpp b/test/SemaTemplate/typename-specifier.cpp
index 7898a20d6e..9eb4f33de0 100644
--- a/test/SemaTemplate/typename-specifier.cpp
+++ b/test/SemaTemplate/typename-specifier.cpp
@@ -102,3 +102,16 @@ struct H {
 };
 
 G<H> struct_G;
+
+namespace PR10925 {
+  template< int mydim, typename Traits >
+  class BasicGeometry
+  {
+    typedef int some_type_t;
+  };
+
+  template<class ctype, int mydim, int coorddim>
+  class MockGeometry : BasicGeometry<mydim, int>{
+    using typename BasicGeometry<mydim, int>::operator[]; // expected-error {{typename is allowed for identifiers only}}
+  };
+}