[Bug c++/69864] Fix various Wnarrowing minor issues

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69864

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|redi at gcc dot gnu.org            |

--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Un-CCing because I'm not going to work on this.