Test case for my last patch.

llvm-svn: 74216

clang/test/SemaCXX/default-assignment-operator.cpp

@@ -0,0 +1,74 @@
+// RUN: clang-cc -fsyntax-only -verify %s
+
+class Base { // expected-error {{cannot define the implicit default assignment operator for 'class Base'}} \
+             // expected-note {{synthesized method is first required here}}
+  int &ref;  // expected-note {{declared at}}
+};
+
+class X  : Base {  // // expected-error {{cannot define the implicit default assignment operator for 'class X'}}
+public:
+  X();
+  const int cint;  // expected-note {{declared at}}
+}; 
+
+struct Y  : X { 
+  Y();
+  Y& operator=(const Y&);
+  Y& operator=(volatile Y&);
+  Y& operator=(const volatile Y&);
+  Y& operator=(Y&);
+}; 
+
+class Z : Y {};
+
+Z z1;
+Z z2;
+
+// Test1
+void f(X x, const X cx) {
+  x = cx;	// expected-note {{synthesized method is first required here}}
+  x = cx;
+  z1 = z2;
+}
+
+// Test2
+class T {};
+T t1;
+T t2;
+
+void g()
+{
+  t1 = t2;
+}
+
+// Test3
+class V {
+public:
+  V();
+  V &operator = (V &b);
+};
+
+class W : V {};
+W w1, w2;
+
+void h()
+{
+  w1 = w2;
+}
+
+// Test4
+
+class B1 {
+public:
+  B1();
+  B1 &operator = (B1 b);
+};
+
+class D1 : B1 {};
+D1 d1, d2;
+
+void i()
+{
+	d1 = d2;
+}
+