1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/debug/using2.C b/gcc/testsuite/g++.dg/debug/using2.C
new file mode 100644
index 000000000..94f0deae7
--- /dev/null
+++ b/gcc/testsuite/g++.dg/debug/using2.C
@@ -0,0 +1,21 @@
+// PR c++/22489
+
+namespace N { }
+
+struct T
+{
+  T () { }
+};
+
+void
+bar ()
+{
+  struct U : public T
+  {
+    void baz ()
+    {
+      using namespace N;
+    }
+  } u;
+  u.baz();
+}