"Disappearing" operator methods

[Marc Schütz via Digitalmars-d]

Please have a look at this PR:
https://github.com/dlang/dmd/pull/6140

However, the error message printed with this PR isn't 
particularly helpful either:
Error: incompatible types for ((5) in (m2)): 'int' and 
'const(MyTable)'

You might want to add a comment there, and/or open an enhancement 
request at: https://issues.dlang.org/