https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124256
--- Comment #1 from Carlos Galvez <carlosgalvezp at gmail dot com> --- Possibly this commit is the culprit: https://github.com/gcc-mirror/gcc/commit/866bc8a9214b1d00402fdbdcb976688a95c98f65 Adding -D_GLIBCXX_USE_OLD_GENERATE_CANONICAL reverts the previous behavior.
