1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/name-clash2.C b/gcc/testsuite/g++.dg/lookup/name-clash2.C
new file mode 100644
index 000000000..c200eeebd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/name-clash2.C
@@ -0,0 +1,16 @@
+// { dg-do compile }
+
+// Origin: Sven Bilke <bilkes@mail.nih.gov>
+// PR c++/9777
+
+struct A
+{
+    struct X {};
+    struct Y { void X(); };
+};
+
+struct B : A
+{
+    struct Y : A::Y {};
+    struct X : A::X {};
+};