[Bug c++/78842] "error: declaration of 'bool icase' shadows a parameter" should be warning

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78842

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
(In reply to Nathan Sidwell from comment #2)
> Created attachment 40370 [details]
> trimmed testcase

Isn't this from PR78840 instead?