1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/defarg21.C b/gcc/testsuite/g++.dg/template/defarg21.C
new file mode 100644
index 0000000000..6ac227665e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/defarg21.C
@@ -0,0 +1,21 @@
+// PR c++/71822
+// { dg-do compile }
+
+int bar (int);
+
+template <typename T>
+struct A
+{
+  explicit A (int x = bar (sizeof (T)));
+};
+
+struct B
+{
+  A <int> b[2];
+};
+
+void
+baz ()
+{
+  B b;
+}