[Bug c++/101879] Broken diagnostic: 'vec_perm_expr' not supported by dump_expr

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101879

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
we could dump as __builtin_shuffle