[Bug ipa/119006] IPA ICF and LTO cause strcmp condition to be omitted

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119006

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Your source does not work either:
    FixedString(const char* str_) { *this = str_; }


Is an infinite loop.

It should be:
    FixedString(const char* str_) { __builtin_strcpy (this->_str, str_); }