[Bug fortran/102043] Wrong array types used for negative stride accesses

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102043

--- Comment #14 from Mikael Morin <mikael at gcc dot gnu.org> ---
Created attachment 51787
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51787&action=edit
draft patch

This "fixes" the problem of negative index access, and adjusts vector subscript
handling, so that correct code is produced for comment #1.
It seems to break comment #13 even more, for reasons that I don’t see (yet).