1 files changed, 16 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/template/offsetof1.C b/gcc/testsuite/g++.dg/template/offsetof1.C
new file mode 100644
index 000000000..1ee9be1e3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/offsetof1.C
@@ -0,0 +1,16 @@
+// { dg-do compile }
+// PR c++/17221
+
+#include <cstddef>
+
+template <int N> struct Bar;
+template <> struct Bar<3> {};
+
+template <class T>
+struct Foo {
+   Bar<offsetof(T, a) + 3> k;
+};
+
+struct A { int a; };
+
+template struct Foo<A>;