[clang] Add test for CWG2091 "Deducing reference non-type template arguments"

[Endilll]

https://cplusplus.github.io/CWG/issues/2091.html

[llvmbot]

@llvm/pr-subscribers-clang

Author: Vlad Serebrennikov (Endilll)

Changes

https://cplusplus.github.io/CWG/issues/2091.html

---

Full diff: https://github.com/llvm/llvm-project/pull/100765.diff

2 Files Affected:

• (modified) clang/test/CXX/drs/cwg20xx.cpp (+7)
• (modified) clang/www/cxx_dr_status.html (+1-1)

diff --git a/clang/test/CXX/drs/cwg20xx.cpp b/clang/test/CXX/drs/cwg20xx.cpp
index fdd31845d5e0d..cd2f26360d402 100644
--- a/clang/test/CXX/drs/cwg20xx.cpp
+++ b/clang/test/CXX/drs/cwg20xx.cpp
@@ -401,6 +401,13 @@ namespace cwg2083 { // cwg2083: partial
 #endif
 }
 
+namespace cwg2091 { // cwg2091: 2.7
+template<int &> struct X;
+template<int &N> void f(X<N>&);
+int n;
+void g(X<n> &x) { f(x); }
+} // namespace cwg2091 
+
 namespace cwg2094 { // cwg2094: 5
   struct A { int n; };
   struct B { volatile int n; };
diff --git a/clang/www/cxx_dr_status.html b/clang/www/cxx_dr_status.html
index 937f67981e296..53347234f3c4f 100755
--- a/clang/www/cxx_dr_status.html
+++ b/clang/www/cxx_dr_status.html
@@ -12361,7 +12361,7 @@ <h2 id="cxxdr">C++ defect report implementation status</h2>
     <td><a href="https://cplusplus.github.io/CWG/issues/2091.html">2091</a></td>
     <td>CD4</td>
     <td>Deducing reference non-type template arguments</td>
-    <td class="unknown" align="center">Unknown</td>
+    <td class="full" align="center">Clang 2.7</td>
   </tr>
   <tr id="2092">
     <td><a href="https://cplusplus.github.io/CWG/issues/2092.html">2092</a></td>

[Endilll]

Ideally we should wait for #97200 to land first, then update this PR with the output of make_cxx_dr_status.

[Endilll]

Ideally we should wait for 97200 to land first, then update this PR with the output of make_cxx_dr_status.

This is done.

[cor3ntin]

LGTM