https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30484
--- Comment #14 from Vincent Lefèvre <vincent-gcc at vinc17 dot net> --- Well, you could change the definition of -fwrapv in the same way that the standard has changed. I mean that the intent of making INT_MIN / -1 undefined was *only* for a performance reason (not for a mathematical reason). Normally, -fwrapv should be as fast as without it (except for some optimizations like VRP, but I would actually expect a program based on -fwrapv to be faster in general, because the programmer does not have to care about intermediate overflows). However, if INT_MIN % -1 is defined with -fwrapv, you get a performance penalty. And ditto for INT_MIN / -1.
