[Bug c/66773] sign-compare warning for == and != are pretty useless

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66773

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |segher at gcc dot gnu.org

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
There certainly are cases where these warnings are inconvenient, but
there also are cases where they are quite useful -- e.g.

int f(void) { return 0xffffffff == -1; }