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

1 files changed, 109 insertions, 0 deletions

diff --git a/clang/test/SemaTemplate/instantiate-init.cpp b/clang/test/SemaTemplate/instantiate-init.cpp
new file mode 100644
index 0000000..f0ca9a5
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiate-init.cpp
@@ -0,0 +1,109 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+struct X0 { // expected-note 4{{candidate}}
+  X0(int*, float*); // expected-note 4{{candidate}}
+};
+
+template<typename T, typename U>
+X0 f0(T t, U u) {
+  X0 x0(t, u); // expected-error{{no matching}}
+  return X0(t, u); // expected-error{{no matching}}
+}
+
+void test_f0(int *ip, float *fp, double *dp) {
+  f0(ip, fp);
+  f0(ip, dp); // expected-note{{instantiation}}
+}
+
+template<typename Ret, typename T, typename U>
+Ret f1(Ret *retty, T t, U u) {
+  Ret r0(t, u); // expected-error{{no matching}}
+  return Ret(t, u); // expected-error{{no matching}}
+}
+
+void test_f1(X0 *x0, int *ip, float *fp, double *dp) {
+  f1(x0, ip, fp);
+  f1(x0, ip, dp); // expected-note{{instantiation}}
+}
+
+namespace PR6457 {
+  template <typename T> struct X { explicit X(T* p = 0) { }; };
+  template <typename T> struct Y { Y(int, const T& x); };
+  struct A { };
+  template <typename T>
+  struct B {
+    B() : y(0, X<A>()) { }
+    Y<X<A> > y;
+  };
+  B<int> b;
+}
+
+namespace PR6657 {
+  struct X
+  {
+    X (int, int) { }
+  };
+
+  template <typename>
+  void f0()
+  {
+    X x = X(0, 0);
+  }
+
+  void f1()
+  {
+    f0<int>();
+  }
+}
+
+// Instantiate out-of-line definitions of static data members which complete
+// types through an initializer even when the only use of the member that would
+// cause instantiation is in an unevaluated context, but one requiring its
+// complete type.
+namespace PR10001 {
+  template <typename T> struct S {
+    static const int arr[];
+    static const int x;
+    static int f();
+  };
+
+  template <typename T> const int S<T>::arr[] = { 1, 2, 3 };
+  template <typename T> const int S<T>::x = sizeof(arr) / sizeof(arr[0]);
+  template <typename T> int S<T>::f() { return x; }
+
+  int x = S<int>::f();
+}
+
+namespace PR7985 {
+  template<int N> struct integral_c { };
+
+  template <typename T, int N>
+  integral_c<N> array_lengthof(T (&x)[N]) { return integral_c<N>(); } // expected-note 2{{candidate template ignored: failed template argument deduction}}
+
+  template<typename T>
+  struct Data {
+    T x;
+  };
+
+  template<typename T>
+  struct Description {
+    static const Data<T> data[];
+  };
+
+  template<typename T>
+  const Data<T> Description<T>::data[] = {{ 1 }}; // expected-error{{cannot initialize a member subobject of type 'int *' with an rvalue of type 'int'}}
+
+  template<>
+  Data<float*> Description<float*>::data[];
+
+  void test() {
+    integral_c<1> ic1 = array_lengthof(Description<int>::data);
+    (void)sizeof(array_lengthof(Description<float>::data));
+
+    sizeof(array_lengthof( // expected-error{{no matching function for call to 'array_lengthof'}}
+                          Description<int*>::data // expected-note{{in instantiation of static data member 'PR7985::Description<int *>::data' requested here}}
+                          ));
+
+    array_lengthof(Description<float*>::data); // expected-error{{no matching function for call to 'array_lengthof'}}
+  }
+}