https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113492
--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> --- (In reply to uecker from comment #2) > > I agree that "int:3" with -funsigned-bitfields should produce a type which > is compatible to one with "unsigned:3" and that forming a composite type > has to work. > > I am not entirely sure this should be considered a regression as this C23 > feature did not exist before (but was rejected and did not ICE). Anyway, I > will look at this and post a patch. Thanks for reporting. Thank you for having a look. The "regression" part is for the ICEing.