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    CWG Issue 3020</TITLE>
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<P><EM>This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21
  Core Issues List revision 118b.
  See http://www.open-std.org/jtc1/sc22/wg21/ for the official
  list.</EM></P>
<P>2025-09-28</P>
<HR>
<A NAME="3020"></A><H4>3020.
  
Missing specification for <TT>__has_cpp_attribute(indeterminate)</TT>
</H4>
<B>Section: </B>15.2&#160; [<A href="https://wg21.link/cpp.cond">cpp.cond</A>]
 &#160;&#160;&#160;

 <B>Status: </B>CD7
 &#160;&#160;&#160;

 <B>Submitter: </B>Tim Song
 &#160;&#160;&#160;

 <B>Date: </B>2025-03-26<BR>


<P>[Accepted at the June, 2025 meeting.]</P>

<P>(From submission
<A HREF="https://github.com/cplusplus/CWG/issues/695">#695</A>.)</P>

<P>P2795R5 (approved in March, 2024) should, but does not, update the
definition of <TT>__has_cpp_attribute</TT> for the new attribute it
added.</P>

<P><B>Proposed resolution (no objections during CWG reflector review starting 2025-03-31) (approved by CWG 2025-06-20):</B></P>

<P>Add a row to 15.2 [<A href="https://wg21.link/cpp.cond">cpp.cond</A>], table [tab:cpp.cond.ha], as follows:</P>

<BLOCKQUOTE>

<TABLE>
<TR>
<TH>Attribute</TH>
<TH>Value</TH>
</TR>
<TR class="ins">
<TD><TT>indeterminate</TT></TD>
<TD>202403L</TD>
</TR>
</TABLE>

</BLOCKQUOTE>

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