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

1 files changed, 177 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/instantiate-method.cpp b/clang/test/SemaTemplate/instantiate-method.cpp
new file mode 100644
index 0000000..363115d
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-method.cpp
@@ -0,0 +1,177 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+template<typename T>
+class X {
+public:
+  void f(T x); // expected-error{{argument may not have 'void' type}}
+  void g(T*);
+
+  static int h(T, T); // expected-error {{argument may not have 'void' type}}
+};
+
+int identity(int x) { return x; }
+
+void test(X<int> *xi, int *ip, X<int(int)> *xf) {
+  xi->f(17);
+  xi->g(ip);
+  xf->f(&identity);
+  xf->g(identity);
+  X<int>::h(17, 25);
+  X<int(int)>::h(identity, &identity);
+}
+
+void test_bad() {
+  X<void> xv; // expected-note{{in instantiation of template class 'X<void>' requested here}}
+}
+
+template<typename T, typename U>
+class Overloading {
+public:
+  int& f(T, T); // expected-note{{previous declaration is here}}
+  float& f(T, U); // expected-error{{functions that differ only in their return type cannot be overloaded}}
+};
+
+void test_ovl(Overloading<int, long> *oil, int i, long l) {
+  int &ir = oil->f(i, i);
+  float &fr = oil->f(i, l);
+}
+
+void test_ovl_bad() {
+  Overloading<float, float> off; // expected-note{{in instantiation of template class 'Overloading<float, float>' requested here}}
+}
+
+template<typename T>
+class HasDestructor {
+public:
+  virtual ~HasDestructor() = 0;
+};
+
+int i = sizeof(HasDestructor<int>); // FIXME: forces instantiation, but 
+                // the code below should probably instantiate by itself.
+int abstract_destructor[__is_abstract(HasDestructor<int>)? 1 : -1];
+
+
+template<typename T>
+class Constructors {
+public:
+  Constructors(const T&);
+  Constructors(const Constructors &other);
+};
+
+void test_constructors() {
+  Constructors<int> ci1(17);
+  Constructors<int> ci2 = ci1;
+}
+
+
+template<typename T>
+struct ConvertsTo {
+  operator T();
+};
+
+void test_converts_to(ConvertsTo<int> ci, ConvertsTo<int *> cip) {
+  int i = ci;
+  int *ip = cip;
+}
+
+// PR4660
+template<class T> struct A0 { operator T*(); };
+template<class T> struct A1;
+
+int *a(A0<int> &x0, A1<int> &x1) {
+  int *y0 = x0;
+  int *y1 = x1; // expected-error{{no viable conversion}}
+}
+
+struct X0Base {
+  int &f();
+  int& g(int);
+  static double &g(double);
+};
+
+template<typename T>
+struct X0 : X0Base {
+};
+
+template<typename U>
+struct X1 : X0<U> {
+  int &f2() { 
+    return X0Base::f();
+  }
+};
+
+void test_X1(X1<int> x1i) {
+  int &ir = x1i.f2();
+}
+
+template<typename U>
+struct X2 : X0Base, U {
+  int &f2() { return X0Base::f(); }
+};
+
+template<typename T>
+struct X3 {
+  void test(T x) {
+    double& d1 = X0Base::g(x);
+  }
+};
+
+
+template struct X3<double>;
+
+// Don't try to instantiate this, it's invalid.
+namespace test1 {
+  template <class T> class A {};
+  template <class T> class B {
+    void foo(A<test1::Undeclared> &a) // expected-error {{no member named 'Undeclared' in namespace 'test1'}}
+    {}
+  };
+  template class B<int>;
+}
+
+namespace PR6947 {
+  template< class T > 
+  struct X {
+    int f0( )      
+    {
+      typedef void ( X::*impl_fun_ptr )( );
+      impl_fun_ptr pImpl = &X::template
+        f0_impl1<int>;
+    }
+  private:                  
+    int f1() {
+    }
+    template< class Processor>                  
+    void f0_impl1( )                 
+    {
+    }
+  };
+
+  char g0() {
+    X<int> pc;
+    pc.f0();
+  }
+
+}
+
+namespace PR7022 {
+  template <typename > 
+  struct X1
+  {
+    typedef int state_t( );
+    state_t g ;
+  };
+
+  template <  typename U = X1<int> > struct X2
+  {
+    X2( U = U())
+    {
+    }
+  };
+
+  void m(void)
+  {
+    typedef X2<> X2_type;
+    X2_type c;
+  }
+
+}