Eliding of slice range checking

[Per Nordlöw]

On Thursday, 24 October 2019 at 18:37:05 UTC, welkam wrote:
> I remember in some video Chandler Carruth said that value range 
> propagation across function boundary was implemented in llvm 
> but later removed because it produced no performance 
> improvement for C and C++ code. I wonder how it fare when used 
> on D code.

Interesting. What uses of VRP do you see in D?