http://www.graalvm.org

[jmh530]

On Sunday, 22 April 2018 at 15:13:18 UTC, Robert M. Münch wrote:
> "GraalVM is a universal virtual machine for running 
> applications written in JavaScript, Python 3, Ruby, R, 
> JVM-based languages like Java, Scala, Kotlin, and LLVM-based 
> languages such as C and C++."
>
> They use a special protocol to make data access from different 
> languages transparent and very low cost. Perhaps worth an 
> experiment to see if D can benefit of it.

I think there's an option so that LLVM bitcode can be used on it. 
So conceivably, you could compile with LDC to LLVM bitcode and 
then run that on Graal.