[PATCH] D45593: [DebugInfo][OPT] Fixing a couple of DI duplication bugs of CloneModule

[Roman Tereshin via llvm-commits]

Doing that.

> On Apr 16, 2018, at 3:49 PM, Adrian Prantl via Phabricator <reviews at reviews.llvm.org> wrote:
> 
> aprantl added a comment.
> 
> Let's remove the unreachable and add a simple testcase that would trigger it as a first step.
> 
> 
> Repository:
>  rL LLVM
> 
> https://reviews.llvm.org/D45593
> 
> 
>