1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/using20.C b/gcc/testsuite/g++.dg/lookup/using20.C
new file mode 100644
index 000000000..dc1d293a2
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/using20.C
@@ -0,0 +1,18 @@
+// PR c++/40476
+
+namespace A
+{
+  int i;			// { dg-error "i" }
+}
+using namespace A;
+namespace B
+{
+  namespace B2
+  {
+    int i;			// { dg-error "i" }
+  }
+  using namespace B2;
+}
+using namespace B;
+
+int j = ::i;			// { dg-error "ambiguous" }