1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/lookup/name-clash4.C b/gcc/testsuite/g++.dg/lookup/name-clash4.C
new file mode 100644
index 00000000000..d4ff5513393
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lookup/name-clash4.C
@@ -0,0 +1,12 @@
+// { dg-do compile }
+
+// Origin: Volker Reichelt <reichelt@gcc.gnu.org>
+
+// PR c++/18100: Invalid nested type.
+
+struct A
+{
+    template<int> struct A {};	// { dg-error "same name" }
+};
+
+A::A<0> a;			// { dg-error "not a template" }