[PATCH] D23466: ADT: Remove UB in ilist (and use a circular linked list)

[Duncan P. N. Exon Smith via llvm-commits]

> On 2016-Aug-15, at 13:06, Hans Wennborg <hans at chromium.org> wrote:
> 
> hans added a comment.
> 
> I tried this out on Windows.
> 
> Some tests are currently red with ToT: http://lab.llvm.org:8011/builders/clang-x86-win2008-selfhost/builds/9727
> On my machine, only CodeGen/AMDGPU/amdgpu.private-memory.ll fails.
> 
> When I apply this patch, CodeGen/AMDGPU/predicate-dp4.ll starts hanging, but that's the only change I get.
> 

Interesting.  Can you grab the backtrace of where it's hanging?

> 
> https://reviews.llvm.org/D23466
> 
> 
>