ahatanak added a comment.

In https://reviews.llvm.org/D24693#551050, @vitalybuka wrote:

> I can see how to insert starts, e.g. on every label which bypass declaration, 
> but I am not sure where to put ends.
>  Probably it's possible, but patch will be significantly more complicated. 
> I'd prefer to do so only when needed.
>  This is infrequent usecase, so it's probably not worth of additional 
> complexity.


I think the right long term solution is to have IRGen emit tighter lifetime 
ranges, but I don't have a solution that I know would always work correctly. 
That might require rethinking the design of lifetime intrinsics.


https://reviews.llvm.org/D24693



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