An LLVM bug that affect both LDC and SDC. Worth pushing for

[deadalnix via Digitalmars-d]

On Wednesday, 18 June 2014 at 22:33:03 UTC, David Nadlinger wrote:
> You stated that closure/frame generation should occur after 
> inlining. I doubt that this is feasible to implement in the 
> current LDC architecture, and probably also in GDC (although I 
> don't know its internals well enough to be sure).
>
> What we do in LDC, by the way, is just to optimize the closure 
> GC allocations into a stack allocation if we can prove the 
> context is not escaped after inlining. This happens in a custom 
> optimization pass on the IR level. deadalnix is presumably 
> talking about something very similar he is working on for SDC.
>
> David

Yes, but the problem is not limited to SDC. LDC exhibit the same
behavior (because it is an LLVM bug, not a SDC or LDC one).