[Bug c++/118445] VEC_DUPLICATE_EXPR not handled by potential_constant_expression_1

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118445

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
was going to fix up error.cc but that will have to wait for something else.