[Bug middle-end/78501] [7 regression] SEGV in vrp_val_max

[prathamesh3492 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78501

--- Comment #2 from prathamesh3492 at gcc dot gnu.org ---
Hi,
From the trace, it seems ptrdiff_type_node is set to NULL for ada ?
Either we can guard setting range for CFN_BUILTIN_STRLEN by checking
ptrtdiff_type_node is non null, or make vrp_val_max return NULL if type is
NULL.
I am trying to reproduce on x86_64-unknown-linux-gnu.

Thanks,
Prathamesh