Compiler switch for integer comparison/promotion to catch a simple error

[matheus]

On Monday, 30 May 2022 at 13:15:12 UTC, bauss wrote:
> Good luck convincing Walter that this is a mistake :)

I don't think this is a matter of convincing or changing the 
behavior, I think that a flag for this case (If not exist) should 
be added as a warning.

A language where some people use to spread the phrase "D as 
better C" should at least have this as flag/warning too.

Matheus.