[Bug c/120658] OPTIMIZATION: STRING HANDLING: wrong results under exotic conditions.

[newbie-02 at gmx dot de via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120658

--- Comment #2 from newbie-02 <newbie-02 at gmx dot de> ---
I forgot: reported because I think it's a nasty option to produce fails which
go unnoticed in testing and strike hard in production.