1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/void4.C b/gcc/testsuite/g++.dg/template/void4.C
new file mode 100644
index 000000000..fe30b2e37
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/void4.C
@@ -0,0 +1,7 @@
+//PR c++/28638
+
+template<void> struct A;  // { dg-error "not a valid type" }
+
+template<template<int> class> struct B {};
+
+B<A> b;                  // { dg-error "template|invalid type" }