assert(__ctfe) and betterC

[Walter Bright]

On 1/27/2021 12:59 PM, Steven Schveighoffer wrote:
> I remember something about assert(__ctfe) in your function telling the compiler 
> to not emit the code to the object file. Did that get in? Is there a way we can 
> use that to turn off betterC too?

In oper.d there are some lambdas which generate static information, and the 
lambdas are not emitted to the object file.

https://github.com/dlang/dmd/blob/master/src/dmd/backend/oper.d#L387

This capability is what eliminated the need for the optabgen.d file.