[Bug c++/100313] pointer to member function is not const with sanitize=undefined

[3440910457 at qq dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100313

3440910457 at qq dot com changed:

           What    |Removed                     |Added
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                 CC|                            |3440910457 at qq dot com

--- Comment #4 from 3440910457 at qq dot com ---
This issue persists in GCC 16.2 and is reproducible on trunk.

See <https://godbolt.org/z/zEs8nWEGv>

Use `-fsanitize=undefined` will trigger this bug.