<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/128664>128664</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [libc++] P3372R3: constexpr `multiset`
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            libc++,
            c++26
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          frederick-vs-ja
      </td>
    </tr>
</table>

<pre>
    Make `multiset` constexpr as part of P3372R3.

Feature-test macro (also covers constexpr `set`):
```C++
#define __cpp_lib_constexpr_set 202502L // also in <set>
```
</pre>
<img width="1" height="1" alt="" src="http://email.email.llvm.org/o/eJxUkc2u2yAQhZ9m2KBEZDA4XrDITepVK1V9gQjDJOFeHCzAUfv2lX3TNpVG4kea7-icY0sJ1zuRAfUG6sTsXG8pm0smTzm4j82jbN4tG5L_Zb7ZD-KgxTjHGgpV0IK7dC-Vfk6Z28InmytPF_5dyhZ_yC2IA4hDT7bOmTaVSuWjdTlxwL2NJXGXHpTLCwS0-AQDdiCX7eW-zhHwbRlxAJSeLuFO_Hx203SOYTj_RZwLVY4ClcCvHLAH7PmqFe4c5HGhyy-vXOaN9J3sLCOzaxvRtKh3mt3MjgZJ7UDeOd-1XnaNVR1dZKesIO92LJhPHVRiL7XSW0EatXIo963w1EpoBI02xG2Mj3Gb8pWFUmYyO9xr3bBoB4plTR4xhsE9HSICHgHx-Ua9_KgTy2bhbIb5WqARMZRa_pFrqHFt8QWkTn-qAHn4P-WXDtmco7nVOpUl8TWxa6i3edi6NAL2i8Tz2Ew5vZOrgP3qpAD2TzMPg78DAAD__32FsRw">