Add the clang library to the repo (with some of my changes, too).

1 files changed, 40 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/metafun-apply.cpp b/clang/test/SemaTemplate/metafun-apply.cpp
new file mode 100644
index 0000000..3a7408e
--- /dev/null
+++ b/clang/test/SemaTemplate/metafun-apply.cpp
@@ -0,0 +1,40 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+struct add_pointer {
+  template<typename T>
+  struct apply {
+    typedef T* type;
+  };
+};
+
+struct add_reference {
+  template<typename T>
+  struct apply {
+    typedef T& type; // expected-error{{cannot form a reference to 'void'}}
+  };
+};
+
+struct bogus {
+  struct apply {
+    typedef int type;
+  };
+};
+
+template<typename MetaFun, typename T>
+struct apply1 {
+  typedef typename MetaFun::template apply<T>::type type; // expected-note{{in instantiation of template class 'add_reference::apply<void>' requested here}} \
+  // expected-error{{'apply' following the 'template' keyword does not refer to a template}}
+};
+
+int i;
+apply1<add_pointer, int>::type ip = &i;
+apply1<add_reference, int>::type ir = i;
+apply1<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}}
+
+void test() {
+  apply1<add_reference, void>::type t; // expected-note{{in instantiation of template class 'apply1<add_reference, void>' requested here}}
+
+  apply1<bogus, int>::type t2; // expected-note{{in instantiation of template class 'apply1<bogus, int>' requested here}}
+}
+
+