P1787: "CWG360 is resolved by applying access control to using-declarations."
[[ http://eel.is/c++draft/class.access#general-4.sentence-3 | class.access.general#4 ]]: "When a using-declarator is named, access control is applied to it, not to the declarations that replace it."
Reviewed By: #clang-language-wg, aaron.ballman
Differential Revision: https://reviews.llvm.org/D139090
};
}
+namespace dr360 { // dr360: yes
+struct A {
+ int foo();
+ int bar();
+
+protected:
+ int baz();
+};
+
+struct B : A {
+private:
+ using A::foo; // #dr360-foo-using-decl
+protected:
+ using A::bar; // #dr360-bar-using-decl
+public:
+ using A::baz; // #dr360-baz-using-decl
+};
+
+int main() {
+ int foo = B().foo(); // expected-error {{is a private member}}
+ // expected-note@#dr360-foo-using-decl {{declared private here}}
+ int bar = B().bar(); // expected-error {{is a protected member}}
+ // expected-note@#dr360-bar-using-decl {{declared protected here}}
+ int baz = B().baz();
+}
+} // namespace dr360
+
// dr362: na
// dr363: na
<td><a href="https://wg21.link/cwg360">360</a></td>
<td>CD6</td>
<td>Using-declaration that reduces access</td>
- <td class="none" align="center">Unknown</td>
+ <td class="full" align="center">Yes</td>
</tr>
<tr class="open" id="361">
<td><a href="https://wg21.link/cwg361">361</a></td>