From 1619342d7ffcfdfd3e18b7c6da38d2bcbe2bb3f5 Mon Sep 17 00:00:00 2001
From: Douglas Gregor <dgregor@apple.com>
Date: Thu, 1 Jul 2010 20:08:52 +0000
Subject: [PATCH] Test implicit declaration of copy assignment operator with
 non-const argument

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@107421 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CXX/special/class.copy/p20.cpp | 46 +++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 test/CXX/special/class.copy/p20.cpp

diff --git a/test/CXX/special/class.copy/p20.cpp b/test/CXX/special/class.copy/p20.cpp
new file mode 100644
index 0000000000..8dfb7ca8a0
--- /dev/null
+++ b/test/CXX/special/class.copy/p20.cpp
@@ -0,0 +1,46 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+struct ConstCopy {
+  ConstCopy();
+  ConstCopy &operator=(const ConstCopy&);
+};
+
+struct NonConstCopy {
+  NonConstCopy();
+  NonConstCopy &operator=(NonConstCopy&);
+};
+
+struct VirtualInheritsNonConstCopy : virtual NonConstCopy { 
+  VirtualInheritsNonConstCopy();
+  VirtualInheritsNonConstCopy &operator=(const VirtualInheritsNonConstCopy&);
+};
+
+struct ImplicitNonConstCopy1 : NonConstCopy {  // expected-note{{the implicit copy assignment operator}}
+  ImplicitNonConstCopy1();
+};
+
+struct ImplicitNonConstCopy2 { // expected-note{{the implicit copy assignment operator}}
+  ImplicitNonConstCopy2();
+  NonConstCopy ncc;
+};
+
+struct ImplicitNonConstCopy3 { // expected-note{{the implicit copy assignment operator}}
+  ImplicitNonConstCopy3();
+  NonConstCopy ncc_array[2][3];
+};
+
+struct ImplicitNonConstCopy4 : VirtualInheritsNonConstCopy { 
+  ImplicitNonConstCopy4();
+};
+
+void test_non_const_copy(const ImplicitNonConstCopy1 &cincc1,
+                         const ImplicitNonConstCopy2 &cincc2,
+                         const ImplicitNonConstCopy3 &cincc3,
+                         const ImplicitNonConstCopy4 &cincc4,
+                         const VirtualInheritsNonConstCopy &vincc) {
+  (void)sizeof(ImplicitNonConstCopy1() = cincc1); // expected-error{{no viable overloaded '='}}
+  (void)sizeof(ImplicitNonConstCopy2() = cincc2); // expected-error{{no viable overloaded '='}}
+  (void)sizeof(ImplicitNonConstCopy3() = cincc3); // expected-error{{no viable overloaded '='}}
+  (void)sizeof(ImplicitNonConstCopy4() = cincc4); // okay
+  (void)sizeof(VirtualInheritsNonConstCopy() = vincc);
+}
-- 
2.50.1