https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106824
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- It seems that flag -O2 can be reduced to -O1 -fexpensive-optimizations.
dcb314 at hotmail dot com via Gcc-bugs Sun, 04 Sep 2022 09:07:16 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106824
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- It seems that flag -O2 can be reduced to -O1 -fexpensive-optimizations.