1 files changed, 35 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/instantiate-clang.cpp b/clang/test/SemaTemplate/instantiate-clang.cpp
new file mode 100644
index 0000000..34d68c4
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-clang.cpp
@@ -0,0 +1,35 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// Test template instantiation for Clang-specific features.
+
+// ---------------------------------------------------------------------
+// Vector types
+// ---------------------------------------------------------------------
+typedef __attribute__(( ext_vector_type(2) )) double double2;
+typedef __attribute__(( ext_vector_type(4) )) double double4;
+
+template<typename T>
+struct ExtVectorAccess0 {
+  void f(T v1, double4 v2) {
+    v1.xy = v2.yx;
+  }
+};
+
+template struct ExtVectorAccess0<double2>;
+template struct ExtVectorAccess0<double4>;
+
+typedef __attribute__(( ext_vector_type(2) )) double double2;
+
+template<typename T, typename U, int N, int M>
+struct ShuffleVector0 {
+  void f(T t, U u, double2 a, double2 b) {
+    (void)__builtin_shufflevector(t, u, N, M); // expected-error{{index}}
+    (void)__builtin_shufflevector(a, b, N, M); // expected-error{{index}}
+    (void)__builtin_shufflevector(a, b, 2, 1);
+  }
+};
+
+template struct ShuffleVector0<double2, double2, 2, 1>;
+template struct ShuffleVector0<double2, double2, 4, 3>; // expected-note{{instantiation}}
+
+