On Tue, 26 Oct 2021, Jakub Jelinek wrote: > On Tue, Oct 26, 2021 at 03:13:29PM +0200, Richard Biener wrote: > > try > > auto c = ...; > > signed char c2 = c; > > return c2 >= ... > > then > > That won't work, at least when using <compare>, which is what we with the > optimization want to deal with primarily. > Because std::partial_ordering etc. aren't implicitly nor explicitly > convertible to int or signed char etc. > Sure, one could in the testcase define its own std::strong_ordering etc. > and define a conversion operator for it...
So how do we end up with the signed char case in the first place? Is the frontend using a type that's target dependent? Richard.
