[Bug rust/107633] [13 regression] Bootstrap failure due to -Werror=unused-parameter and -Werror=dangling-reference

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107633

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

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

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Oh wait, that's a std::set::iterator? Then the warning is wrong. Its operator*
returns a reference to something that outlives the iterator itself.