[Bug c/28901] -Wunused-variable ignores unused const initialised variables

[mark at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=28901

--- Comment #15 from Mark Wielaard <mark at gcc dot gnu.org> ---
(In reply to Andi Kleen from comment #14)
> I'm building a current Linux kernel with allyesconfig, and this new warning
> causes
> 1383(!) new warnings in the build.
> 
> I think this should be revisited and the warning be turned off again.

Could you post some examples?
Are they in your opinion all false positives?
Or is there a specific pattern to the ones you think are falsely flagged?
Note that you can always just specify -Wno-unused-const-variable if they are
real warnings, but you wish to ignore them.