https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63837
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Sounds like GCC_COMPARE_DEBUG is adding the option in the wrong place and causing the makefile not use the correct options.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63837
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Sounds like GCC_COMPARE_DEBUG is adding the option in the wrong place and causing the makefile not use the correct options.