https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39121
Manuel López-Ibáñez <manu at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |manu at gcc dot gnu.org
--- Comment #8 from Manuel López-Ibáñez <manu at gcc dot gnu.org> ---
(In reply to joe.carnuccio from comment #7)
> *a ^= *b ^= *a ^= *b should work the same way, but it does not (unless you
> compile with -Os).
https://gcc.gnu.org/wiki/FAQ#undefinedbut
