1 files changed, 60 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/dependent-template-recover.cpp b/clang/test/SemaTemplate/dependent-template-recover.cpp
new file mode 100644
index 0000000..3c01f65
--- /dev/null
+++ b/clang/test/SemaTemplate/dependent-template-recover.cpp
@@ -0,0 +1,60 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+template<typename T, typename U, int N>
+struct X {
+  void f(T* t) {
+    t->f0<U>(); // expected-error{{use 'template' keyword to treat 'f0' as a dependent template name}}
+    t->f0<int>(); // expected-error{{use 'template' keyword to treat 'f0' as a dependent template name}}
+
+    t->operator+<U const, 1>(); // expected-error{{use 'template' keyword to treat 'operator +' as a dependent template name}}
+    t->f1<int const, 2>(); // expected-error{{use 'template' keyword to treat 'f1' as a dependent template name}}
+
+    T::getAs<U>(); // expected-error{{use 'template' keyword to treat 'getAs' as a dependent template name}}
+    t->T::getAs<U>(); // expected-error{{use 'template' keyword to treat 'getAs' as a dependent template name}}
+
+    // FIXME: We can't recover from these yet
+    (*t).f2<N>(); // expected-error{{expected expression}}
+    (*t).f2<0>(); // expected-error{{expected expression}}
+  }
+};
+
+namespace PR9401 {
+  // From GCC PR c++/45558
+  template <typename S, typename T>
+  struct C
+  {
+    template <typename U>
+    struct B
+    {
+      template <typename W>
+      struct E
+      {
+        explicit E(const W &x) : w(x) {}
+        const W &w;
+      };
+    };
+  };
+
+  struct F;
+  template <typename X>
+  struct D
+  {
+    D() {}
+  };
+
+  const D<F> g;
+  template <typename S, typename T>
+  struct A
+  {
+    template <typename U>
+    struct B : C<S, T>::template B<U>
+    {
+      typedef typename C<S, T>::template B<U> V;
+      static const D<typename V::template E<D<F> > > a;
+    };
+  };
+
+  template <typename S, typename T>
+  template <typename U>
+  const D<typename C<S, T>::template B<U>::template E<D<F> > >
+  A<S, T>::B<U>::a = typename C<S, T>::template B<U>::template E<D<F> >(g);
+}