1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/void2.C b/gcc/testsuite/g++.dg/template/void2.C
new file mode 100644
index 000000000..eceb36219
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/void2.C
@@ -0,0 +1,9 @@
+// PR c++/27496
+// { dg-do compile }
+
+template<int> struct A
+{
+  template<void> friend class X;  // { dg-error "void|valid type" }
+};
+
+A<0> a;