https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94902
--- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> --- This is the third time I have seen this type of bugreport, and I really don't know what is so magical on number "19" that everybody wants the register by this number. If this number crashes the compiler, then just don't use it.