[swift-evolution] Print stack trace for fatalError

[Harlan Haskins]

Bumping because I'd hate to see this get buried. It's a big pain point right now not getting any information from a fatalError, assert, or precondition other than the message.

Is there anything technical preventing this?

Also some kind of name demangling would probably be necessary for this as well.

- Harlan

> On Dec 7, 2015, at 4:47 PM, Harlan Haskins via swift-evolution <swift-evolution at swift.org> wrote:
> 
> Is there even a way to display the call stack symbols in pure Swift without NSThread.callStackSymbols()?
> 
>> On Dec 7, 2015, at 4:24 PM, Radoslaw Pietruszewski via swift-evolution <swift-evolution at swift.org> wrote:
>> 
>> + 1. This should also be generalized to assert, precondition, etc. If there was a way for custom fatalError-like functions to also dump a stack trace, that would be great.
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