1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/expr1.C b/gcc/testsuite/g++.dg/template/expr1.C
new file mode 100644
index 000000000..079865d4e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/expr1.C
@@ -0,0 +1,8 @@
+// PR c++/18161
+// { dg-options "" }
+
+template <class T> struct Y;
+template <> struct Y<bool> {};
+
+template <typename T = typeof (1 == 1)> struct X { Y<T> a; };
+template struct X <>;