[Bug tree-optimization/81343] missing strlen optimization with intervening strcat of unknown strings

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81343

--- Comment #3 from Eric Gallager <egallager at gcc dot gnu.org> ---
(In reply to Martin Sebor from comment #1)
> See also pr81330 for another strlen optimization opportunity.

Well, and all other bugs blocking bug 83819 as well, that is