[Bug cobol/121499] libgcobol is built with -fno-strict-aliasing

[sjames at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121499

--- Comment #7 from Sam James <sjames at gcc dot gnu.org> ---
It's not just about performance, it's poor quality to require
-fno-strict-aliasing and somewhat embarrassing if some of GCC is built with it,
given we discourage projects from using it themselves.