[Bug c++/126752] [16/17 Regression] ICE in build_vec_init when initializing an array member of an aggregate

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126752

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 65351
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65351&action=edit
gcc17-pr126752.patch

Full untested fix.