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Date: Tue, 07 Apr 2020 22:39:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94490

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |mpolacek at gcc dot gnu.org

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
In expand_integer_pack tsubst_copy_and_build produces
*(0 ? tuple_size_v : tuple_size_v)
and cxx_constant_value complains, because we turn tuple_size_v into '2' and=
 so
we're dereferencing an INTEGER_CST.=