Endill created this revision.
Endill added a reviewer: clang-language-wg.
Herald added a project: All.
Endill requested review of this revision.
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Herald added a subscriber: cfe-commits.
P1787 <https://reviews.llvm.org/P1787>: "CWG1960 (currently closed as NAD) is
resolved by removing the rule in question (which is widely ignored by
implementations and gives subtle interactions between using-declarations)."
Wording: "In a using-declarator that does not name a constructor, every
declaration named shall be accessible."
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D142381
Files:
clang/test/CXX/drs/dr19xx.cpp
clang/www/cxx_dr_status.html
Index: clang/www/cxx_dr_status.html
===================================================================
--- clang/www/cxx_dr_status.html
+++ clang/www/cxx_dr_status.html
@@ -11567,7 +11567,7 @@
<td><a href="https://wg21.link/cwg1960";>1960</a></td>
<td>NAD</td>
<td>Visibility of entity named in class-scope <I>using-declaration</I></td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="1961">
<td><a href="https://wg21.link/cwg1961";>1961</a></td>
Index: clang/test/CXX/drs/dr19xx.cpp
===================================================================
--- clang/test/CXX/drs/dr19xx.cpp
+++ clang/test/CXX/drs/dr19xx.cpp
@@ -167,6 +167,27 @@
#endif
}
+namespace dr1960 { // dr1960: no
+struct A {
+void f() {}
+protected:
+void g() {}
+};
+
+struct B: A {
+private:
+using A::f;
+using A::g;
+};
+
+struct C : B {
+// FIXME: both declarations are ill-formed, because A::f and A::g
+// are not accessible.
+using A::f;
+using A::g;
+};
+}
+
namespace dr1966 { // dr1966: 11
#if __cplusplus >= 201103L
struct A {
Index: clang/www/cxx_dr_status.html
===================================================================
--- clang/www/cxx_dr_status.html
+++ clang/www/cxx_dr_status.html
@@ -11567,7 +11567,7 @@
<td><a href="https://wg21.link/cwg1960";>1960</a></td>
<td>NAD</td>
<td>Visibility of entity named in class-scope <I>using-declaration</I></td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="1961">
<td><a href="https://wg21.link/cwg1961";>1961</a></td>
Index: clang/test/CXX/drs/dr19xx.cpp
===================================================================
--- clang/test/CXX/drs/dr19xx.cpp
+++ clang/test/CXX/drs/dr19xx.cpp
@@ -167,6 +167,27 @@
#endif
}
+namespace dr1960 { // dr1960: no
+struct A {
+void f() {}
+protected:
+void g() {}
+};
+
+struct B: A {
+private:
+using A::f;
+using A::g;
+};
+
+struct C : B {
+// FIXME: both declarations are ill-formed, because A::f and A::g
+// are not accessible.
+using A::f;
+using A::g;
+};
+}
+
namespace dr1966 { // dr1966: 11
#if __cplusplus >= 201103L
struct A {
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