[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 #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Note the ICE is:
<source>:7:1: sorry, unimplemented: unexpected AST of kind vec_duplicate_expr
<source>:7:1: internal compiler error: in potential_constant_expression_1, at
cp/constexpr.cc:10768