From c72c57c9e9b69944e3e009cd5e209634839581d3 Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Mon, 8 Apr 2013 18:45:10 +0000
Subject: Vendor import of clang trunk r178860:
 http://llvm.org/svn/llvm-project/cfe/trunk@178860

---
 test/CXX/class/class.union/p1.cpp    | 59 +++++++++++++++++++++---------------
 test/CXX/class/class.union/p2-0x.cpp |  2 +-
 2 files changed, 35 insertions(+), 26 deletions(-)

(limited to 'test/CXX/class/class.union')

diff --git a/test/CXX/class/class.union/p1.cpp b/test/CXX/class/class.union/p1.cpp
index ee97410..439cc9c 100644
--- a/test/CXX/class/class.union/p1.cpp
+++ b/test/CXX/class/class.union/p1.cpp
@@ -14,25 +14,25 @@ class VirtualBase : virtual Okay { // expected-note 4 {{because type 'VirtualBas
 };
 
 class Ctor {
-  Ctor() { abort(); } // expected-note 4 {{because type 'Ctor' has a user-declared constructor}}
+  Ctor() { abort(); } // expected-note 2{{because type 'Ctor' has a user-provided default constructor}} expected-note 2{{here}}
 };
 class Ctor2 {
-  Ctor2(); // expected-note 3 {{because type 'Ctor2' has a user-declared constructor}}
+  Ctor2(); // expected-note {{because type 'Ctor2' has a user-provided default constructor}} expected-note 2{{here}}
 };
-class CtorTmpl {
-  template<typename T> CtorTmpl(); // expected-note {{because type 'CtorTmpl' has a user-declared constructor}}
+class CtorTmpl { // expected-note {{because type 'CtorTmpl' has no default constructor}}
+  template<typename T> CtorTmpl(); // expected-note {{implicit default constructor suppressed by user-declared constructor}}
 };
 
-class CopyCtor {
-  CopyCtor(CopyCtor &cc) { abort(); } // expected-note 4 {{because type 'CopyCtor' has a user-declared copy constructor}}
+class CopyCtor { // expected-note 2{{because no constructor can be used to copy an object of type 'const CopyCtor'}}
+  CopyCtor(CopyCtor &cc) { abort(); }
 };
 
-class CopyAssign {
-  CopyAssign& operator=(CopyAssign& CA) { abort(); } // expected-note 4 {{because type 'CopyAssign' has a user-declared copy assignment operator}}
+class CopyAssign { // expected-note 2 {{because no assignment operator can be used to copy an object of type 'const CopyAssign'}}
+  CopyAssign& operator=(CopyAssign& CA) { abort(); }
 };
 
 class Dtor {
-  ~Dtor() { abort(); } // expected-note 4 {{because type 'Dtor' has a user-declared destructor}}
+  ~Dtor() { abort(); } // expected-note 2 {{because type 'Dtor' has a user-provided destructor}} expected-note 2{{here}}
 };
 
 union U1 {
@@ -49,25 +49,25 @@ union U1 {
 
 union U2 {
   struct {
-    Virtual v; // expected-note {{because type 'U2::<anonymous struct}}
+    Virtual v; // expected-note {{because the function selected to copy field of type 'Virtual' is not trivial}}
   } m1; // expected-error {{union member 'm1' has a non-trivial copy constructor}}
   struct {
-    VirtualBase vbase; // expected-note {{because type 'U2::<anonymous struct}}
+    VirtualBase vbase; // expected-note {{because the function selected to copy field of type 'VirtualBase' is not trivial}}
   } m2; // expected-error {{union member 'm2' has a non-trivial copy constructor}}
   struct {
-    Ctor ctor; // expected-note {{because type 'U2::<anonymous struct}}
+    Ctor ctor; // expected-note {{because field of type 'Ctor' has a user-provided default constructor}}
   } m3; // expected-error {{union member 'm3' has a non-trivial constructor}}
   struct {
-    Ctor2 ctor2; // expected-note {{because type 'U2::<anonymous struct}}
+    Ctor2 ctor2; // expected-note {{because field of type 'Ctor2' has a user-provided default constructor}}
   } m3a; // expected-error {{union member 'm3a' has a non-trivial constructor}}
-  struct {
-    CopyCtor copyctor; // expected-note {{because type 'U2::<anonymous struct}}
+  struct { // expected-note {{no constructor can be used to copy an object of type 'const}}
+    CopyCtor copyctor;
   } m4; // expected-error {{union member 'm4' has a non-trivial copy constructor}}
-  struct {
-    CopyAssign copyassign; // expected-note {{because type 'U2::<anonymous struct}}
+  struct { // expected-note {{no assignment operator can be used to copy an object of type 'const}}
+    CopyAssign copyassign;
   } m5; // expected-error {{union member 'm5' has a non-trivial copy assignment operator}}
   struct {
-    Dtor dtor; // expected-note {{because type 'U2::<anonymous struct}}
+    Dtor dtor; // expected-note {{because field of type 'Dtor' has a user-provided destructor}}
   } m6; // expected-error {{union member 'm6' has a non-trivial destructor}}
   struct {
     Okay okay;
@@ -75,22 +75,25 @@ union U2 {
 };
 
 union U3 {
-  struct s1 : Virtual { // expected-note {{because type 'U3::s1' has a base class with a non-trivial copy constructor}}
+  struct s1 : Virtual { // expected-note {{because the function selected to copy base class of type 'Virtual' is not trivial}}
   } m1; // expected-error {{union member 'm1' has a non-trivial copy constructor}}
-  struct s2 : VirtualBase { // expected-note {{because type 'U3::s2' has a base class with a non-trivial copy constructor}}
+  struct s2 : VirtualBase { // expected-note {{because the function selected to copy base class of type 'VirtualBase' is not trivial}}
   } m2; // expected-error {{union member 'm2' has a non-trivial copy constructor}}
-  struct s3 : Ctor { // expected-note {{because type 'U3::s3' has a base class with a non-trivial constructor}}
+  struct s3 : Ctor { // expected-note {{because base class of type 'Ctor' has a user-provided default constructor}}
   } m3; // expected-error {{union member 'm3' has a non-trivial constructor}}
-  struct s3a : Ctor2 { // expected-note {{because type 'U3::s3a' has a base class with a non-trivial constructor}}
+  struct s3a : Ctor2 { // expected-note {{because base class of type 'Ctor2' has a user-provided default constructor}}
   } m3a; // expected-error {{union member 'm3a' has a non-trivial constructor}}
-  struct s4 : CopyCtor { // expected-note {{because type 'U3::s4' has a base class with a non-trivial copy constructor}}
+  struct s4 : CopyCtor { // expected-note {{because no constructor can be used to copy an object of type 'const U3::s4'}}
   } m4; // expected-error {{union member 'm4' has a non-trivial copy constructor}}
-  struct s5 : CopyAssign { // expected-note {{because type 'U3::s5' has a base class with a non-trivial copy assignment operator}}
+  struct s5 : CopyAssign { // expected-note {{because no assignment operator can be used to copy an object of type 'const U3::s5'}}
   } m5; // expected-error {{union member 'm5' has a non-trivial copy assignment operator}}
-  struct s6 : Dtor { // expected-note {{because type 'U3::s6' has a base class with a non-trivial destructor}}
+  struct s6 : Dtor { // expected-note {{because base class of type 'Dtor' has a user-provided destructor}}
   } m6; // expected-error {{union member 'm6' has a non-trivial destructor}}
   struct s7 : Okay {
   } m7;
+  struct s8 {
+    s8(...) = delete; // expected-note {{because it is a variadic function}} expected-warning {{C++11}}
+  } m8; // expected-error {{union member 'm8' has a non-trivial constructor}}
 };
 
 union U4 {
@@ -102,6 +105,12 @@ union U5 {
   int& i1; // expected-error {{union member 'i1' has reference type 'int &'}}
 };
 
+union U6 {
+  struct S {
+    int &i;
+  } s; // ok
+};
+
 template <class A, class B> struct Either {
   bool tag;
   union { // expected-note 6 {{in instantiation of member class}}
diff --git a/test/CXX/class/class.union/p2-0x.cpp b/test/CXX/class/class.union/p2-0x.cpp
index b5c4109..5fb8a67 100644
--- a/test/CXX/class/class.union/p2-0x.cpp
+++ b/test/CXX/class/class.union/p2-0x.cpp
@@ -7,7 +7,7 @@ union U1 {
   static const int k2 = k1;
   static int k3 = k2; // expected-error {{non-const static data member must be initialized out of line}}
   static constexpr double k4 = k2;
-  static const double k5 = k4; // expected-warning {{GNU extension}} expected-note {{use 'constexpr'}}
+  static const double k5 = k4; // expected-error {{requires 'constexpr' specifier}} expected-note {{add 'constexpr'}}
   int n[k1 + 3];
 };
 
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