[Bug bootstrap/63933] Build stage1 with -O2 during bootstrap if host compiler is a recent gcc version

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63933

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Severity|normal                      |enhancement

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I have found cases where distro compilers miscompile at -O2 but not -O0 for
GCC.  So I really think this should not be done.