https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80005
--- Comment #7 from Florian Weimer <fw at gcc dot gnu.org> --- (In reply to Nathan Sidwell from comment #6) > Reopening. Sadly my fear turned out to be true. real code out there > presumes __has_include__ (with the trailing underbars) is how to get at this > feature. I'm looking at you glibc! > > Adding backwards compatibility ... Please don't. The trailing underscore makes code non-portable for no good reason, so nobody should be using that. (We fixed glibc a while ago.)
