[Bug ipa/117457] regex global buffer overflow LTO due to IPA constprop and having 2 different string constants across both TU due not merging strings of -fsanitize=address

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117457

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #8)
> That being said there is a missing optimization with respect to constprop
> and cloning. Why didn't it prop the last over to clone instead of passing it
> via an argument.

Because of the strlen is not resolved until later on.