[Bug c/112826] gcc rejects the valid code and reports undefined reference

[arsen at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112826

Arsen Arsenović <arsen at gcc dot gnu.org> changed:

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

--- Comment #1 from Arsen Arsenović <arsen at gcc dot gnu.org> ---
I can't assert the validity of this code, but -O1 does elide the function as
expected.