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

1 files changed, 42 insertions, 0 deletions

diff --git a/clang/test/CXX/temp/temp.fct.spec/temp.deduct/sfinae-1.cpp b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/sfinae-1.cpp
new file mode 100644
index 0000000..6481485
--- /dev/null
+++ b/clang/test/CXX/temp/temp.fct.spec/temp.deduct/sfinae-1.cpp
@@ -0,0 +1,42 @@
+// RUN: %clang_cc1 -verify %s
+
+typedef char one_byte;
+struct two_bytes { char data[2]; };
+
+template<typename T> one_byte __is_class_check(int T::*);
+template<typename T> two_bytes __is_class_check(...);
+
+template<typename T> struct is_class {
+  static const bool value = sizeof(__is_class_check<T>(0)) == 1;
+};
+
+struct X { };
+
+int array0[is_class<X>::value? 1 : -1];
+int array1[is_class<int>::value? -1 : 1];
+int array2[is_class<char[3]>::value? -1 : 1];
+
+namespace instantiation_order1 {
+  template<typename T>
+  struct it_is_a_trap { 
+    typedef typename T::trap type;
+  };
+
+  template<bool, typename T = void>
+  struct enable_if {
+    typedef T type;
+  };
+
+  template<typename T>
+  struct enable_if<false, T> { };
+
+  template<typename T>
+  typename enable_if<sizeof(T) == 17>::type 
+  f(const T&, typename it_is_a_trap<T>::type* = 0);
+
+  void f(...);
+
+  void test_f() {
+    f('a');
+  }
+}