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[dcl.type.decltype] Fix decltype of template splice-specialization-specifier #11

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[dcl.type.decltype] Fix decltype of template splice-specialization-specifier #11

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20 changes: 19 additions & 1 deletion source/declarations.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -1720,9 +1720,27 @@
type of the entity named by $E$.
If there is no such entity, the program is ill-formed;

\item otherwise, if $E$ is an unparenthesized \grammarterm{splice-expression},
\item otherwise, if $E$ is an unparenthesized \grammarterm{splice-expression}:
\begin{itemize}
\item if $E$ is of the form \grammarterm{splice-specifier},
\tcode{decltype($E$)} is the type of the entity, object, or value
designated by the \grammarterm{splice-specifier} of $E$;
\item otherwise, if $E$ is of the form
\tcode{template \grammarterm{splice-specialization-specifier}} and
the \grammarterm{splice-specifier} of
the \grammarterm{splice-specialization-specifier} designates
a variable template $T$,
let $S$ be the specialization of $T$ corresponding to
the template argument list of the \grammarterm{splice-specialization-specifier};
\tcode{decltype($E$)} is the type of $S$;
\item otherwise, if $E$ is of the form
\tcode{template \grammarterm{splice-specifier}}, or
of the form \tcode{template \grammarterm{splice-specialization-specifier}}
whose \grammarterm{splice-specifier} designates a function template,
$E$ denotes an overload set\iref{expr.prim.splice} and
the program is ill-formed;
\item otherwise, the program is ill-formed;
\end{itemize}

\item otherwise, if $E$ is
an xvalue, \tcode{decltype($E$)} is \tcode{T\&\&}, where \tcode{T} is the type
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