[PATCH] D147839: [clang] Add test for CWG2007

[Vlad Serebrennikov via Phabricator via cfe-commits]

Endill updated this revision to Diff 512543.
Endill added a comment.

rebase


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147839/new/

https://reviews.llvm.org/D147839

Files:
  clang/test/CXX/drs/dr20xx.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
@@ -11849,7 +11849,7 @@
     <td><a href="https://wg21.link/cwg2007">2007</a></td>
     <td>CD6</td>
     <td>Argument-dependent lookup for <TT>operator=</TT></td>
-    <td class="none" align="center">Unknown</td>
+    <td class="full" align="center">Clang 3.4</td>
   </tr>
   <tr id="2008">
     <td><a href="https://wg21.link/cwg2008">2008</a></td>
Index: clang/test/CXX/drs/dr20xx.cpp
===================================================================
--- clang/test/CXX/drs/dr20xx.cpp
+++ clang/test/CXX/drs/dr20xx.cpp
@@ -3,12 +3,22 @@
 // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++14 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 // RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
-// RUN: %clang_cc1 -std=c++2a -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++20 -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
+// RUN: %clang_cc1 -std=c++2b -triple x86_64-unknown-unknown %s -verify -fexceptions -fcxx-exceptions -pedantic-errors
 
 #if __cplusplus < 201103L
 #define static_assert(...) _Static_assert(__VA_ARGS__)
 #endif
 
+namespace dr2007 { // dr2007: 3.4
+template<typename T> struct A { typename T::error e; };
+template<typename T> struct B { };
+B<A<void> > b1;
+B<A<void> > b2 = b1;
+int a = b2[0]; // expected-error {{does not provide a subscript operator}}
+int b = __builtin_addressof(b2)->foo; // expected-error {{no member}}
+}
+
 namespace dr2026 { // dr2026: 11
   template<int> struct X {};
 


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