[Bug tree-optimization/104715] [12 Regression] false dangling pointer with strstr

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104715

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced to show it is an issue with strstr:
char *
trim_xml_text(char * intxt)
{
    char * etext;
    {
        char z[]="<", *pz = z;
        etext = __builtin_strstr(intxt, pz);
    }
    return etext;
}