[Bug analyzer/125304] -Wanalyzer-free-of-non-heap false positive with std::string due to CAST_REG comparison bug

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125304

--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Compiler Explorer (trunk, x64_64): https://godbolt.org/z/bGzahzoh1