Merge branch 'master' of ssh://bitbucket.org/czan/honours

1 files changed, 97 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/instantiate-template-template-parm.cpp b/clang/test/SemaTemplate/instantiate-template-template-parm.cpp
new file mode 100644
index 0000000..a70c7e8
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-template-template-parm.cpp
@@ -0,0 +1,97 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+template<template<typename T> class MetaFun, typename Value>
+struct apply {
+  typedef typename MetaFun<Value>::type type;
+};
+
+template<class T>
+struct add_pointer {
+  typedef T* type;
+};
+
+template<class T>
+struct add_reference {
+  typedef T& type;
+};
+
+int i;
+apply<add_pointer, int>::type ip = &i;
+apply<add_reference, int>::type ir = i;
+apply<add_reference, float>::type fr = i; // expected-error{{non-const lvalue reference to type 'float' cannot bind to a value of unrelated type 'int'}}
+
+// Template template parameters
+template<int> struct B; // expected-note{{has a different type 'int'}}
+
+template<typename T, 
+         template<T Value> class X> // expected-error{{cannot have type 'float'}} \
+                                    // expected-note{{with type 'long'}}
+struct X0 { };
+
+X0<int, B> x0b1;
+X0<float, B> x0b2; // expected-note{{while substituting}}
+X0<long, B> x0b3; // expected-error{{template template argument has different template parameters}}
+
+template<template<int V> class TT> // expected-note{{parameter with type 'int'}}
+struct X1 { };
+
+template<typename T, template<T V> class TT>
+struct X2 {
+  X1<TT> x1; // expected-error{{has different template parameters}}
+};
+
+template<int V> struct X3i { };
+template<long V> struct X3l { }; // expected-note{{different type 'long'}}
+
+X2<int, X3i> x2okay;
+X2<long, X3l> x2bad; // expected-note{{instantiation}}
+
+template <typename T, template <T, T> class TT, class R = TT<1, 2> >
+struct Comp {
+  typedef R r1;
+  template <T x, T y> struct gt {
+    static const bool result = x > y;
+  };
+  typedef gt<2, 1> r2;
+};
+
+template <int x, int y> struct lt {
+  static const bool result = x < y;
+};
+
+Comp<int, lt> c0;
+
+namespace PR8629 {
+  template<template<int> class TT> struct X0
+  {
+    static void apply();
+  };
+  template<int> struct Type { };
+
+  template<class T> struct X1
+  {
+    template<class U> struct Inner;
+
+    template<class U> void g()
+    {
+      typedef Inner<U> Init;
+      X0<Init::template VeryInner>::apply();
+    }
+    template<int N> void f ()
+    {
+      g<Type<N> >();
+    }
+  };
+  template<class T> template<class U> struct X1<T>::Inner
+  {
+    template<int> struct VeryInner {
+    };
+  };
+  struct X1Container
+  {
+    X1Container()
+    {
+      simplex_.f<0>();
+    }
+    X1<double> simplex_;
+  };
+}