Annoyance with new integer promotion deprecations

[Nick Sabalausky (Abscissa)]

On 02/05/2018 04:21 PM, H. S. Teoh wrote:
> On Mon, Feb 05, 2018 at 09:20:16PM +0000, Nick Sabalausky via Digitalmars-d wrote:
>> But still, I thought we had value range propagation rules to avoid
>> this sort of nonsense when possible (such as the example above)?
> 
> VRP doesn't help when the code doesn't have compile-time known values,
> such as in the non-reduced code my example snippet was reduced from.
> 

Right, it wouldn't always get rid of the message, but I would think it 
should when it's known the value cannot be -128, such as the specific 
example you posted.