[Bug fortran/109948] [13/14 Regression] ICE(segfault) in gfc_expression_rank() from gfc_op_rank_conformable()

[anlauf at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109948

--- Comment #7 from anlauf at gcc dot gnu.org ---
Some more digging: in the case when ref->u.ar.as is NULL, it appears that

e->symtree->n.sym->assoc->target->ref->u.ar.as

is properly set.