[Bug c++/80151] Add a warning to catch implicit string to bool conversion (-Wstring-conversion)

[jg at jguk dot org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80151

--- Comment #13 from Jonny Grant <jg at jguk dot org> ---
Thank you. I filed this PR against C
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122115