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

1 files changed, 146 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/instantiate-complete.cpp b/clang/test/SemaTemplate/instantiate-complete.cpp
new file mode 100644
index 0000000..68d5ae3
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-complete.cpp
@@ -0,0 +1,146 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+// Tests various places where requiring a complete type involves
+// instantiation of that type.
+
+template<typename T>
+struct X {
+  X(T);
+
+  T f; // expected-error{{data member instantiated with function type 'float (int)'}} \
+       // expected-error{{data member instantiated with function type 'int (int)'}} \
+       // expected-error{{data member instantiated with function type 'char (char)'}} \
+       // expected-error{{data member instantiated with function type 'short (short)'}} \
+       // expected-error{{data member instantiated with function type 'float (float)'}}
+};
+
+X<int> f() { return 0; }
+
+struct XField {
+  X<float(int)> xf; // expected-note{{in instantiation of template class 'X<float (int)>' requested here}}
+};
+
+void test_subscript(X<double> *ptr1, X<int(int)> *ptr2, int i) {
+  (void)ptr1[i];
+  (void)ptr2[i]; // expected-note{{in instantiation of template class 'X<int (int)>' requested here}}
+}
+
+void test_arith(X<signed char> *ptr1, X<unsigned char> *ptr2,
+                X<char(char)> *ptr3, X<short(short)> *ptr4) {
+  (void)(ptr1 + 5);
+  (void)(5 + ptr2);
+  (void)(ptr3 + 5); // expected-note{{in instantiation of template class 'X<char (char)>' requested here}}
+  (void)(5 + ptr4); // expected-note{{in instantiation of template class 'X<short (short)>' requested here}}
+}
+
+void test_new() {
+  (void)new X<float>(0);
+  (void)new X<float(float)>; // expected-note{{in instantiation of template class 'X<float (float)>' requested here}}
+}
+
+void test_memptr(X<long> *p1, long X<long>::*pm1,
+                 X<long(long)> *p2, 
+                 long (X<long(long)>::*pm2)(long)) {
+  (void)(p1->*pm1);
+}
+
+// Reference binding to a base
+template<typename T>
+struct X1 { };
+
+template<typename T>
+struct X2 : public T { };
+
+void refbind_base(X2<X1<int> > &x2) {
+  X1<int> &x1 = x2;
+}
+
+// Enumerate constructors for user-defined conversion.
+template<typename T>
+struct X3 {
+  X3(T);
+};
+
+void enum_constructors(X1<float> &x1) {
+  X3<X1<float> > x3 = x1;
+}
+
+namespace PR6376 {
+  template<typename T, typename U> struct W { };
+
+  template<typename T>
+  struct X {
+    template<typename U>
+    struct apply {
+      typedef W<T, U> type;
+    };
+  };
+  
+  template<typename T, typename U>
+  struct Y : public X<T>::template apply<U>::type { };
+
+  template struct Y<int, float>;
+}
+
+namespace TemporaryObjectCopy {
+  // Make sure we instantiate classes when we create a temporary copy.
+  template<typename T>
+  struct X {
+    X(T); 
+  };
+
+  template<typename T>
+  void f(T t) {
+    const X<int> &x = X<int>(t);
+  }
+
+  template void f(int);
+}
+
+namespace PR7080 {
+  template <class T, class U>
+  class X
+  {
+    typedef char true_t;
+    class false_t { char dummy[2]; };
+    static true_t dispatch(U);
+    static false_t dispatch(...);
+    static T trigger();
+  public:
+    enum { value = sizeof(dispatch(trigger())) == sizeof(true_t) };
+  };
+
+  template <class T>
+  class rv : public T
+  { };
+
+  bool x = X<int, rv<int>&>::value;
+}
+
+namespace pr7199 {
+  template <class T> class A; // expected-note {{template is declared here}}
+  template <class T> class B {
+    class A<T>::C field; // expected-error {{implicit instantiation of undefined template 'pr7199::A<int>'}}
+  };
+
+  template class B<int>; // expected-note {{in instantiation}}
+}
+
+namespace PR8425 {
+  template <typename T>
+  class BaseT {};
+
+  template <typename T>
+  class DerivedT : public BaseT<T> {};
+
+  template <typename T>
+  class FromT {
+  public:
+    operator DerivedT<T>() const { return DerivedT<T>(); }
+  };
+
+  void test() {
+    FromT<int> ft;
+    BaseT<int> bt(ft);
+  }
+}