1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/cpp1y/pr89767.C b/gcc/testsuite/g++.dg/cpp1y/pr89767.C
new file mode 100644
index 00000000000..108de51926e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp1y/pr89767.C
@@ -0,0 +1,32 @@
+// PR c++/89767
+// { dg-do compile { target c++14 } }
+// { dg-options "-O2 -Wall" }
+
+template <typename d> struct e { using g = d; };
+template <typename d, template <typename> class> using h = e<d>;
+template <typename d, template <typename> class i>
+using j = typename h<d, i>::g;
+template <typename c> int k(c);
+template <typename...> class au;
+struct l { template <typename c> using m = typename c::f; };
+struct s : l { using af = j<au<int, int> *, m>; };
+template <unsigned long, typename> struct o;
+template <long p, typename c> using q = typename o<p, c>::g;
+template <typename> struct r;
+template <typename c> struct r<c *> { typedef c aj; };
+template <typename ak, typename> struct al { typename r<ak>::aj operator*(); void operator++(); };
+template <typename am, typename an, typename ao>
+bool operator!=(al<am, ao>, al<an, ao>);
+template <unsigned long, typename...> struct ap;
+template <unsigned long aq, typename ar, typename... as>
+struct ap<aq, ar, as...> : ap<1, as...> {};
+template <unsigned long aq, typename ar> struct ap<aq, ar> {};
+template <typename... at> class au : public ap<0, at...> {};
+template <unsigned long p, typename ar, typename... as>
+struct o<p, au<ar, as...>> : o<p - 1, au<as...>> {};
+template <typename ar, typename... as> struct o<0, au<ar, as...>> { typedef ar g; };
+template <long p, typename ar> constexpr ar av(ap<p, ar> __t) { return ar (); }
+template <int p, typename... at> constexpr q<p, au<at...>> aw(au<at...> __t) { av<p>(__t); return q<p, au<at...>> (); }
+struct bg { typedef s::af af; };
+struct F { typedef al<bg::af, int> bk; bk begin(); bk end(); };
+void bo() { int t = 0; F cv; for (auto bp : cv) [t, n = k(aw<1>(bp))] {}; }