Update clang to r86025.vendor/clang/clang-r86025

14 files changed, 306 insertions, 14 deletions

diff --git a/test/CXX/temp/temp.decls/temp.class.spec/p6.cpp b/test/CXX/temp/temp.decls/temp.class.spec/p6.cpp
index afe6ab2b968e..79d6c54e29f0 100644
--- a/test/CXX/temp/temp.decls/temp.class.spec/p6.cpp
+++ b/test/CXX/temp/temp.decls/temp.class.spec/p6.cpp
@@ -1,5 +1,6 @@
 // RUN: clang-cc -fsyntax-only -verify %s
 
+// Test class template partial specializations of member templates.
 template<typename T>
 struct X0 {
   template<typename U> struct Inner0 {
@@ -16,5 +17,39 @@ struct X0<T>::Inner0<const U*> {
   static const unsigned value = 2;
 };
 
-// FIXME: Test instantiation of these partial specializations (once they are
-// implemented).
+int array0[X0<int>::Inner0<int>::value == 0? 1 : -1];
+int array1[X0<int>::Inner0<int*>::value == 1? 1 : -1];
+int array2[X0<int>::Inner0<const int*>::value == 2? 1 : -1];
+
+// Make sure we can provide out-of-line class template partial specializations
+// for member templates (and instantiate them).
+template<class T> struct A { 
+  struct C {
+    template<class T2> struct B;
+  };
+};
+
+// partial specialization of A<T>::C::B<T2> 
+template<class T> template<class T2> struct A<T>::C::B<T2*> { }; 
+
+A<short>::C::B<int*> absip;
+
+// Check for conflicts during template instantiation. 
+template<typename T, typename U>
+struct Outer {
+  template<typename X, typename Y> struct Inner;
+  template<typename Y> struct Inner<T, Y> {}; // expected-note{{previous}}
+  template<typename Y> struct Inner<U, Y> {}; // expected-error{{cannot be redeclared}}
+};
+
+Outer<int, int> outer; // expected-note{{instantiation}}
+
+// Test specialization of class template partial specialization members.
+template<> template<typename Z>
+struct X0<float>::Inner0<Z*> {
+  static const unsigned value = 3;
+};
+
+int array3[X0<float>::Inner0<int>::value == 0? 1 : -1];
+int array4[X0<float>::Inner0<int*>::value == 3? 1 : -1];
+int array5[X0<float>::Inner0<const int*>::value == 2? 1 : -1];
diff --git a/test/CXX/temp/temp.decls/temp.friend/p5.cpp b/test/CXX/temp/temp.decls/temp.friend/p5.cpp
index f1142a4129b2..74895c490623 100644
--- a/test/CXX/temp/temp.decls/temp.friend/p5.cpp
+++ b/test/CXX/temp/temp.decls/temp.friend/p5.cpp
@@ -9,3 +9,5 @@ class B {
   template <class T> friend class A<T>::Member;
 };
 
+A<int> a;
+B b;
diff --git a/test/CXX/temp/temp.param/p14.cpp b/test/CXX/temp/temp.param/p14.cpp
index 07e6bfe40983..150e0ad636be 100644
--- a/test/CXX/temp/temp.param/p14.cpp
+++ b/test/CXX/temp/temp.param/p14.cpp
@@ -1,5 +1,5 @@
 // RUN: clang-cc -fsyntax-only -verify %s 
-// XFAIL
+// XFAIL: *
 
 // A template-parameter shall not be used in its own default argument.
 template<typename T = typename T::type> struct X; // expected-error{{default}}
diff --git a/test/CXX/temp/temp.res/temp.dep.res/temp.point/p1.cpp b/test/CXX/temp/temp.res/temp.dep.res/temp.point/p1.cpp
index 650501069cc5..a41b46ff5c9b 100644
--- a/test/CXX/temp/temp.res/temp.dep.res/temp.point/p1.cpp
+++ b/test/CXX/temp/temp.res/temp.dep.res/temp.point/p1.cpp
@@ -1,5 +1,5 @@
 // RUN: clang-cc -fsyntax-only -verify %s
-// XFAIL
+// XFAIL: *
 
 // Note: we fail this test because we perform template instantiation
 // at the end of the translation unit, so argument-dependent lookup
diff --git a/test/CXX/temp/temp.spec/temp.expl.spec/p3.cpp b/test/CXX/temp/temp.spec/temp.expl.spec/p3.cpp
index 2bd1400faefb..33fb93bacfaf 100644
--- a/test/CXX/temp/temp.spec/temp.expl.spec/p3.cpp
+++ b/test/CXX/temp/temp.spec/temp.expl.spec/p3.cpp
@@ -4,8 +4,7 @@ namespace N {
   template<class T> class X;
 }
 
-// FIXME: this diagnostic is terrible (PR3844).
-template<> class X<int> { /* ... */ };	// expected-error {{unqualified-id}}
+template<> class X<int> { /* ... */ };	// expected-error {{non-template class 'X'}}
 
 namespace N {
   
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p10.cpp b/test/CXX/temp/temp.spec/temp.explicit/p10.cpp
new file mode 100644
index 000000000000..900b0b309277
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p10.cpp
@@ -0,0 +1,33 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+template<typename T>
+struct X0 {
+  void f(T&);
+  
+  struct Inner;
+  
+  static T static_var;
+};
+
+template<typename T>
+void X0<T>::f(T& t) { 
+  t = 1; // expected-error{{incompatible type}}
+}
+
+template<typename T>
+struct X0<T>::Inner {
+  T member;
+};
+
+template<typename T>
+T X0<T>::static_var = 1; // expected-error{{incompatible type}}
+
+extern template struct X0<void*>;
+template struct X0<void*>; // expected-note 2{{instantiation}}
+
+template struct X0<int>; // expected-note 4{{explicit instantiation definition is here}}
+
+extern template void X0<int>::f(int&); // expected-error{{follows explicit instantiation definition}}
+extern template struct X0<int>::Inner; // expected-error{{follows explicit instantiation definition}}
+extern template int X0<int>::static_var; // expected-error{{follows explicit instantiation definition}}
+extern template struct X0<int>; // expected-error{{follows explicit instantiation definition}}
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p12.cpp b/test/CXX/temp/temp.spec/temp.explicit/p12.cpp
new file mode 100644
index 000000000000..fdf4393d4385
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p12.cpp
@@ -0,0 +1,6 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+char* p = 0; 
+template<class T> T g(T x = &p) { return x; }
+template int g<int>(int);	// OK even though &p isn’t an int.
+
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p3.cpp b/test/CXX/temp/temp.spec/temp.explicit/p3.cpp
index 2bd781bbed28..9057971a5bb4 100644
--- a/test/CXX/temp/temp.spec/temp.explicit/p3.cpp
+++ b/test/CXX/temp/temp.spec/temp.explicit/p3.cpp
@@ -9,15 +9,13 @@ template void f0(int); // okay
 // template shall be in scope at the point of the explicit instantiation of 
 // the member function template.
 struct X0; // expected-note 2{{forward declaration}}
-template<typename> struct X1; // expected-note 2{{declared here}} \
-                              // expected-note 3{{forward declaration}}
+template<typename> struct X1; // expected-note 5{{declared here}}
 
 // FIXME: Repeated diagnostics here!
 template void X0::f0<int>(int); // expected-error 2{{incomplete type}} \
-  // expected-error{{invalid token after}}
-template void X1<int>::f0<int>(int); // expected-error{{implicit instantiation of undefined template}} \
-  // expected-error{{incomplete type}} \\
-  // expected-error{{invalid token}}
+  // expected-error{{does not refer}}
+template void X1<int>::f0<int>(int); // expected-error 2{{implicit instantiation of undefined template}} \
+  // expected-error{{does not refer}}
 
 // A definition of a class template or class member template shall be in scope 
 // at the point of the explicit instantiation of the class template or class 
@@ -37,10 +35,10 @@ template struct X2<int>::Inner<float>; // expected-error{{explicit instantiation
 // A definition of a class template shall be in scope at the point of an 
 // explicit instantiation of a member function or a static data member of the
 // class template.
-template void X1<int>::f1(int); // expected-error{{incomplete type}} \
+template void X1<int>::f1(int); // expected-error{{undefined template}} \
                                 // expected-error{{does not refer}}
 
-template int X1<int>::member; // expected-error{{incomplete type}} \
+template int X1<int>::member; // expected-error{{undefined template}} \
                               // expected-error{{does not refer}}
 
 // A definition of a member class of a class template shall be in scope at the 
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p5.cpp b/test/CXX/temp/temp.spec/temp.explicit/p5.cpp
new file mode 100644
index 000000000000..a992648d7c48
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p5.cpp
@@ -0,0 +1,17 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+namespace N {
+  template<class T> class Y { // expected-note{{explicit instantiation refers here}}
+    void mf() { } 
+  };
+}
+
+template class Z<int>; // expected-error{{explicit instantiation of non-template class 'Z'}}
+
+// FIXME: This example from the standard is wrong; note posted to CWG reflector
+// on 10/27/2009
+using N::Y; 
+template class Y<int>; // expected-error{{must occur in}}
+
+template class N::Y<char*>; 
+template void N::Y<double>::mf();
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p6.cpp b/test/CXX/temp/temp.spec/temp.explicit/p6.cpp
new file mode 100644
index 000000000000..763d679db7bb
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p6.cpp
@@ -0,0 +1,14 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+template<class T> class Array { /* ... */ }; 
+template<class T> void sort(Array<T>& v) { }
+
+// instantiate sort(Array<int>&) - template-argument deduced
+template void sort<>(Array<int>&);
+
+template void sort(Array<long>&);
+
+template<typename T, typename U> void f0(T, U*) { }
+
+template void f0<int>(int, float*);
+template void f0<>(double, float*);
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p7.cpp b/test/CXX/temp/temp.spec/temp.explicit/p7.cpp
new file mode 100644
index 000000000000..ffd653dbaa4f
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p7.cpp
@@ -0,0 +1,36 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+template<typename T>
+struct X0 {
+  struct MemberClass {
+    T member; // expected-error{{with function type}}
+  };
+  
+  T* f0(T* ptr) { 
+    return ptr + 1; // expected-error{{pointer to function}}
+  } 
+  
+  static T* static_member;
+};
+
+template<typename T>
+T* X0<T>::static_member = ((T*)0) + 1; // expected-error{{pointer to function}}
+
+template class X0<int>; // okay
+
+template class X0<int(int)>; // expected-note 3{{requested here}}
+
+// Specialize everything, so that the explicit instantiation does not trigger
+// any diagnostics.
+template<>
+struct X0<int(long)>::MemberClass { };
+
+typedef int int_long_func(long);
+template<>
+int_long_func *X0<int_long_func>::f0(int_long_func *) { return 0; }
+
+template<>
+int_long_func *X0<int(long)>::static_member;
+
+template class X0<int(long)>;
+
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p8.cpp b/test/CXX/temp/temp.spec/temp.explicit/p8.cpp
new file mode 100644
index 000000000000..9a5bd3245c78
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p8.cpp
@@ -0,0 +1,27 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+template<typename T>
+struct X0 {
+  struct MemberClass;
+  
+  T* f0(T* ptr);
+  
+  static T* static_member;
+};
+
+template class X0<int>; // okay
+template class X0<int(int)>; // okay; nothing gets instantiated.
+
+template<typename T>
+struct X0<T>::MemberClass {
+  T member;
+};
+
+template<typename T>
+T* X0<T>::f0(T* ptr) {
+  return ptr + 1;
+}
+
+template<typename T>
+T* X0<T>::static_member = 0;
+
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p9-linkage.cpp b/test/CXX/temp/temp.spec/temp.explicit/p9-linkage.cpp
new file mode 100644
index 000000000000..59705d8a20e7
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p9-linkage.cpp
@@ -0,0 +1,66 @@
+// RUN: clang-cc -emit-llvm -std=c++0x -o - %s | FileCheck %s
+
+template<typename T>
+struct X0 {
+  void f(T &t) {
+    t = 0;
+  }
+  
+  void g(T &t);
+  
+  void h(T &t);
+  
+  static T static_var;
+};
+
+template<typename T>
+inline void X0<T>::g(T & t) {
+  t = 0;
+}
+
+template<typename T>
+void X0<T>::h(T & t) {
+  t = 0;
+}
+
+template<typename T>
+T X0<T>::static_var = 0;
+
+extern template struct X0<int*>;
+
+int *&test(X0<int*> xi, int *ip) {
+  // CHECK: define available_externally void @_ZN2X0IPiE1fERS0_
+  xi.f(ip);
+  // CHECK: define available_externally void @_ZN2X0IPiE1gERS0_
+  xi.g(ip);
+  // CHECK: declare void @_ZN2X0IPiE1hERS0_
+  xi.h(ip);
+  return X0<int*>::static_var;
+}
+
+template<typename T>
+void f0(T& t) {
+  t = 0;
+}
+
+template<typename T>
+inline void f1(T& t) {
+  t = 0;
+}
+
+extern template void f0<>(int *&);
+extern template void f1<>(int *&);
+
+void test_f0(int *ip, float *fp) {
+  // CHECK: declare void @_Z2f0IPiEvRT_
+  f0(ip);
+  // CHECK: define linkonce_odr void @_Z2f0IPfEvRT_
+  f0(fp);
+}
+
+void test_f1(int *ip, float *fp) {
+  // CHECK: define available_externally void @_Z2f1IPiEvRT_
+  f1(ip);
+  // CHECK: define linkonce_odr void @_Z2f1IPfEvRT_
+  f1(fp);
+}
diff --git a/test/CXX/temp/temp.spec/temp.explicit/p9.cpp b/test/CXX/temp/temp.spec/temp.explicit/p9.cpp
new file mode 100644
index 000000000000..a53113fb969e
--- /dev/null
+++ b/test/CXX/temp/temp.spec/temp.explicit/p9.cpp
@@ -0,0 +1,59 @@
+// RUN: clang-cc -fsyntax-only -std=c++0x -verify %s
+
+template<typename T>
+struct X0 {
+  void f(T &t) {
+    t = 1; // expected-error{{incompatible type}}
+  }
+  
+  void g(T &t);
+  
+  void h(T &t);
+  
+  static T static_var;
+};
+
+template<typename T>
+inline void X0<T>::g(T & t) {
+  t = 1; // expected-error{{incompatible type}}
+}
+
+template<typename T>
+void X0<T>::h(T & t) {
+  t = 1;
+}
+
+template<typename T>
+T X0<T>::static_var = 1;
+
+extern template struct X0<int*>;
+
+int *&test(X0<int*> xi, int *ip) {
+  xi.f(ip); // expected-note{{instantiation}}
+  xi.g(ip); // expected-note{{instantiation}}
+  xi.h(ip);
+  return X0<int*>::static_var;
+}
+
+template<typename T>
+void f0(T& t) {
+  t = 1; // expected-error{{incompatible type}}
+}
+
+template<typename T>
+inline void f1(T& t) {
+  t = 1; // expected-error 2{{incompatible type}}
+}
+
+extern template void f0<>(int *&);
+extern template void f1<>(int *&);
+
+void test_f0(int *ip, float *fp) {
+  f0(ip);
+  f0(fp); // expected-note{{instantiation}}
+}
+
+void test_f1(int *ip, float *fp) {
+  f1(ip); // expected-note{{instantiation}}
+  f1(fp); // expected-note{{instantiation}}
+}