https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69481
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Wenzel Jakob from comment #4) > I'm pretty sure this is a recent regression -- GCC was able to compile the > code on Bug 77629 a month ago. Did you use a compiler from a release branch? If so --enable-checking=release is the default there while on the trunk it is always =yes.