[Bug c/71852] add warning for conditions that can never be true (missed -Wtautological-compare?)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71852

--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
I think you meant
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=bc7fe95200214ce70419fde6f965dc88bbd645a6