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[dcl.stc] rearrange wording, turn typedef restriction into note #6477

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[dcl.stc] rearrange wording, turn typedef restriction into note #6477

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25 changes: 14 additions & 11 deletions source/declarations.tex
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Original file line number Diff line number Diff line change
Expand Up @@ -446,20 +446,23 @@
\keyword{mutable}
\end{bnf}

At most one \grammarterm{storage-class-specifier} shall appear in a given
\grammarterm{decl-specifier-seq}, except that \keyword{thread_local} may appear with \keyword{static} or
\keyword{extern}. If \keyword{thread_local} appears in any declaration of
a variable it shall be present in all declarations of that entity. If a
\grammarterm{storage-class-specifier}
appears in a \grammarterm{decl-specifier-seq}, there can be no
\tcode{typedef} specifier in the same \grammarterm{decl-specifier-seq} and
the \grammarterm{init-declarator-list} or \grammarterm{member-declarator-list}
of the declaration shall not be
empty (except for an anonymous union declared in a namespace scope\iref{class.union.anon}). The
\grammarterm{storage-class-specifier} applies to the name declared by each
The \grammarterm{storage-class-specifier} applies to the name declared by each
\grammarterm{init-declarator} in the list and not to any names declared by
other specifiers.
At most one \grammarterm{storage-class-specifier} shall appear in a given
\grammarterm{decl-specifier-seq}, except that
\keyword{thread_local} may appear with \keyword{static} or \keyword{extern}.
If \keyword{thread_local} appears in any declaration of
a variable, it shall be present in all declarations of that entity.
If a \grammarterm{storage-class-specifier}
appears in a \grammarterm{decl-specifier-seq},
the \grammarterm{init-declarator-list} or \grammarterm{member-declarator-list}
of the declaration shall not be empty, except for an anonymous union
declared in a namespace scope\iref{class.union.anon}.
\begin{note}
A \keyword{typedef} specifier cannot appear in a
\grammarterm{decl-specifier-seq} that contains a
\grammarterm{storage-class-specifier}\iref{dcl.typedef}.
See \ref{temp.expl.spec} and \ref{temp.explicit} for restrictions
in explicit specializations and explicit instantiations, respectively.
\end{note}
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