[Swan-commit] Changes to ref refs/heads/main

[Andrew Cagney]

New commits:
commit f08b8bacc4434f7c08647d80077c8cd303bd36a6
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Sep 10 14:35:10 2021 -0400

    state: eliminate for_each_state() (use next_state_new2old())

commit c4d9a025acd8067435794d3b11a435de7a90e7c5
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Sep 10 14:09:56 2021 -0400

    state: implement next_state_new2old()
    
    and move declaration to state.h so it is easier to use