[Bug c++/94490] Ternary expression with 3 consts is “not” a constant expression

mpolacek at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Tue Apr 7 22:39:03 GMT 2020


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94490

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

           What    |Removed                     |Added
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                 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.


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