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    CWG Issue 1413</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="1413"></A><H4>1413.
  
Missing cases of value-dependency
</H4>
<B>Section: </B>13.8.3.4&#160; [<A href="https://wg21.link/temp.dep.constexpr">temp.dep.constexpr</A>]
 &#160;&#160;&#160;

 <B>Status: </B>CD3
 &#160;&#160;&#160;

 <B>Submitter: </B>Richard Smith
 &#160;&#160;&#160;

 <B>Date: </B>2011-11-09<BR>


<P>[Moved to DR at the April, 2013 meeting.]</P>



<P>The list of cases in 13.8.3.4 [<A href="https://wg21.link/temp.dep.constexpr#2">temp.dep.constexpr</A>] paragraph 2
in which an <I>identifier</I> is value-dependent should also
include:</P>

<UL>
<LI><P>an entity with reference type and is initialized with
an expression that is value-dependent</P></LI>

<LI><P>a member function or a static data member of the current
instantiation</P></LI>

</UL>

<P><B>Proposed resolution (October, 2012):</B></P>

<OL>
<LI><P>Change 13.8.3.4 [<A href="https://wg21.link/temp.dep.constexpr#2">temp.dep.constexpr</A>] paragraph 2 as follows
and move the text following the bulleted list into a new paragraph:</P></LI>

<BLOCKQUOTE>

<P>An <DEL><I>identifier</I></DEL> <INS><I>id-expression</I></INS> is
value-dependent if <DEL>it is</DEL>:</P>

<UL>
<LI><P>
<INS>it is</INS> a name declared with a dependent type,</P></LI>

<LI><P>
<INS>it is</INS> the name of a non-type template parameter,</P></LI>

<LI><P><INS>it names a member of an unknown specialization,</INS></P></LI>

<LI><P><INS>it names a static data member of the current instantiation
that is not initialized in a <I>member-declarator</I>,</INS></P></LI>

<LI><P><INS>it names a static member function that is a member of the
current instantiation, or</INS></P></LI>

<LI><P>
<INS>it is</INS> a constant with literal type and is
initialized with an expression that is value-dependent.</P></LI>

</UL>

<P>Expressions of the following form...</P>

</BLOCKQUOTE>

<LI><P>Change 13.8.3.4 [<A href="https://wg21.link/temp.dep.constexpr#5">temp.dep.constexpr</A>] paragraph 5 as follows:</P></LI>

<BLOCKQUOTE>

<DEL>An <I>id-expression</I> is value-dependent if it names a member
of an unknown specialization.</DEL> <INS>An expression of the form
<TT>&amp;</TT><I>qualified-id</I> where the <I>qualified-id</I>'s
<I>nested-name-specifier</I> names the current instantiation is
value-dependent.</INS>

</BLOCKQUOTE>

</OL>

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