1 files changed, 12 insertions, 0 deletions
diff --git a/test/SemaCXX/invalid-template-specifier.cpp b/test/SemaCXX/invalid-template-specifier.cpp
new file mode 100644
index 0000000..a3f081f
--- /dev/null
+++ b/test/SemaCXX/invalid-template-specifier.cpp
@@ -0,0 +1,12 @@
+// RUN: clang-cc %s -verify -fsyntax-only
+// PR4809
+// This test is primarily checking that this doesn't crash, not the particular
+// diagnostics.
+
+const template basic_istream<char>; // expected-error {{expected unqualified-id}}
+
+namespace S {}
+template <class X> class Y {
+  void x() { S::template y<char>(1); } // expected-error {{does not refer to a template}} \
+                                       // expected-error {{no member named 'y'}}
+};