[Bug lto/114542] -flto=4294967296 is treated the same as -flto=0 and -flto=4294967297 is treated the same as -flto=1 instead of being invalid options

[heiko at hexco dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114542

--- Comment #3 from Heiko Eißfeldt <heiko at hexco dot de> ---
FYI: the GNUmake bug seems to be fixed now.