[Bug lto/70629] 176.gcc fails to build with -O0 -flto with undefined reference to is_reserved_word

[prathamesh3492 at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70629

--- Comment #3 from prathamesh3492 at gcc dot gnu.org ---
Compiling with -std=gnu89 worked, thanks!

Regards,
Prathamesh