[gcc r15-11131] libstdc++: Update C++23 status table

[Jonathan Wakely]

https://gcc.gnu.org/g:0affd0554f6407ef3f7f56467474acc5706c454f

commit r15-11131-g0affd0554f6407ef3f7f56467474acc5706c454f
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Apr 28 18:09:15 2026 +0100

    libstdc++: Update C++23 status table
    
    The common_reference change was backported to the gcc-15 branch.
    
    libstdc++-v3/ChangeLog:
    
            * doc/xml/manual/status_cxx2023.xml: Update status table.
            * doc/html/manual/status.html: Regenerate.

Diff:
---
 libstdc++-v3/doc/html/manual/status.html       | 4 ++--
 libstdc++-v3/doc/xml/manual/status_cxx2023.xml | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/libstdc++-v3/doc/html/manual/status.html b/libstdc++-v3/doc/html/manual/status.html
index 93b4aed40220..f2aacf2f6bc1 100644
--- a/libstdc++-v3/doc/html/manual/status.html
+++ b/libstdc++-v3/doc/html/manual/status.html
@@ -1974,14 +1974,14 @@ or any notes about the implementation.
         <a class="link" href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p2674r1.pdf" target="_top">
         P2674R1
         </a>
-      </td><td align="center"> </td><td align="left"> <code class="code">__cpp_lib_is_implicit_lifetime >= 202302L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left">
+      </td><td align="center"> </td><td align="left"> <code class="code">__cpp_lib_is_implicit_lifetime >= 202302L</code> </td></tr><tr><td align="left">
 	<code class="code">common_reference_t</code> of <code class="code">reference_wrapper</code>
 	Should Be a Reference Type
       </td><td align="left">
         <a class="link" href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2023/p2655r3.html" target="_top">
         P2655R3
         </a>
-      </td><td align="center"> </td><td align="left"> <code class="code">__cpp_lib_common_reference >= 202302L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Deprecate <code class="code">numeric_limits::has_denorm</code> </td><td align="left">
+      </td><td align="center"> 15.3 </td><td align="left"> <code class="code">__cpp_lib_common_reference >= 202302L</code> </td></tr><tr bgcolor="#C8B0B0"><td align="left"> Deprecate <code class="code">numeric_limits::has_denorm</code> </td><td align="left">
         <a class="link" href="https://www.open-std.org/jtc1/sc22/wg21/docs/papers/2022/p2614r2.pdf" target="_top">
         P2614R2
         </a>
diff --git a/libstdc++-v3/doc/xml/manual/status_cxx2023.xml b/libstdc++-v3/doc/xml/manual/status_cxx2023.xml
index c77272416fdd..b65d2f5a5afd 100644
--- a/libstdc++-v3/doc/xml/manual/status_cxx2023.xml
+++ b/libstdc++-v3/doc/xml/manual/status_cxx2023.xml
@@ -570,7 +570,6 @@ or any notes about the implementation.
     </row>
 
     <row>
-      <?dbhtml bgcolor="#C8B0B0" ?>
       <entry>
 	<code>common_reference_t</code> of <code>reference_wrapper</code>
 	Should Be a Reference Type
@@ -580,7 +579,7 @@ or any notes about the implementation.
         P2655R3
         </link>
       </entry>
-      <entry align="center"> </entry>
+      <entry align="center"> 15.3 </entry>
       <entry> <code>__cpp_lib_common_reference >= 202302L</code> </entry>
     </row>