[PATCH 1 of 3 fyi] ui: introduce warnstack for dumping a stack trace without crashing

[Matt Mackall]

On Sun, 2013-11-17 at 12:53 -0500, Mads Kiilerich wrote:
> # HG changeset patch
> # User Mads Kiilerich <madski at unity3d.com>
> # Date 1384710551 18000
> #      Sun Nov 17 12:49:11 2013 -0500
> # Branch stable
> # Node ID 41d9e7b97f3ced21c0665253a6495165f58a2730
> # Parent  cb466830826a5fb0eecd4428922c2618d6a1b8af
> ui: introduce warnstack for dumping a stack trace without crashing

I'd probably accept this if it moved to util.

-- 
Mathematics is the supreme nostalgia of our time.