[Bug c/70665] Seemingly incorrect warning for being const correct with function pointers

[psusi at ubuntu dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70665

--- Comment #2 from Phillipi Susi <psusi at ubuntu dot com> ---
Yes, so why is there an implicit conversion that does not cause a warning when
called directly, but not when called via pointer?