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

1 files changed, 62 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/temp_arg_template.cpp b/clang/test/SemaTemplate/temp_arg_template.cpp
new file mode 100644
index 0000000..c9ce1b6
--- /dev/null
+++ b/clang/test/SemaTemplate/temp_arg_template.cpp
@@ -0,0 +1,62 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template<template<typename T> class X> struct A; // expected-note 2{{previous template template parameter is here}}
+
+template<template<typename T, int I> class X> struct B; // expected-note{{previous template template parameter is here}}
+
+template<template<int I> class X> struct C;  // expected-note{{previous non-type template parameter with type 'int' is here}}
+
+template<class> struct X; // expected-note{{too few template parameters in template template argument}}
+template<int N> struct Y; // expected-note{{template parameter has a different kind in template argument}}
+template<long N> struct Ylong; // expected-note{{template non-type parameter has a different type 'long' in template argument}}
+
+namespace N {
+  template<class> struct Z;
+}
+template<class, class> struct TooMany; // expected-note{{too many template parameters in template template argument}}
+
+
+A<X> *a1; 
+A<N::Z> *a2;
+A< ::N::Z> *a3;
+
+A<Y> *a4; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
+A<TooMany> *a5; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
+B<X> *a6; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
+C<Y> *a7;
+C<Ylong> *a8; // expected-error{{template template argument has different template parameters than its corresponding template template parameter}}
+
+template<typename T> void f(int);
+
+A<f> *a9; // expected-error{{must be a class template}}
+
+// Evil digraph '<:' is parsed as '[', expect error.
+A<::N::Z> *a10; // expected-error{{found '<::' after a template name which forms the digraph '<:' (aka '[') and a ':', did you mean '< ::'?}}
+
+// Do not do a digraph correction here.
+A<: :N::Z> *a11;  // expected-error{{expected expression}} \
+          expected-error{{C++ requires a type specifier for all declarations}}
+
+// PR7807
+namespace N {
+  template <typename, typename = int> 
+  struct X
+  { };
+
+  template <typename ,int> 
+  struct Y
+  { X<int> const_ref(); };
+
+  template <template<typename,int> class TT, typename T, int N> 
+  int operator<<(int, TT<T, N> a) { // expected-note{{candidate template ignored}}
+    0 << a.const_ref(); // expected-error{{invalid operands to binary expression ('int' and 'X<int>')}}
+  }
+
+  void f0( Y<int,1> y){ 1 << y; } // expected-note{{in instantiation of function template specialization 'N::operator<<<Y, int, 1>' requested here}}
+}
+
+// PR12179
+template <typename Primitive, template <Primitive...> class F> // expected-warning {{variadic templates are a C++11 extension}}
+struct unbox_args {
+  typedef typename Primitive::template call<F> x;
+};