Diagnose attempst to template using declarations and using directives.

Recover from the latter and fail early for the former.  Fixes PR8022.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118669 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 0 deletions

diff --git a/test/SemaCXX/using-directive.cpp b/test/SemaCXX/using-directive.cpp
index 162f7fa07a..22c6e14ce5 100644
--- a/test/SemaCXX/using-directive.cpp
+++ b/test/SemaCXX/using-directive.cpp
@@ -126,3 +126,10 @@ void f4() { f2(1); }
 using namespace std; // expected-warning{{using directive refers to implicitly-defined namespace 'std'}}
 using namespace ::std; // expected-warning{{using directive refers to implicitly-defined namespace 'std'}}
 
+namespace test1 {
+  namespace ns { typedef int test1; }
+  template <class T> using namespace ns; // expected-error {{cannot template a using directive}}
+
+  // Test that we recovered okay.
+  test1 x;
+}