https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70282
--- Comment #2 from PeteVine <tulipawn at gmail dot com> --- I'd like to add that, all else being equal about a month ago, Function.cpp compiled just fine with -O3.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70282
--- Comment #2 from PeteVine <tulipawn at gmail dot com> --- I'd like to add that, all else being equal about a month ago, Function.cpp compiled just fine with -O3.