[GHC] #3693: Show stack traces

[GHC]

#3693: Show stack traces
------------------------------+---------------------------------------------
  Reporter:  jpet             |          Owner:                  
      Type:  feature request  |         Status:  new             
  Priority:  normal           |      Milestone:  _|_             
 Component:  Runtime System   |        Version:  6.10.4          
Resolution:                   |       Keywords:                  
Difficulty:                   |             Os:  Unknown/Multiple
  Testcase:                   |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown     |  
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Changes (by simonmar):

  * difficulty:  =>
  * milestone:  => _|_

Comment:

 Stack traces are difficult to implement, which is why there isn't one.
 See e.g. ExplicitCallStack.

 I've been pondering the use of HPC to generate some tracing information
 though, possibly for feeding into ThreadScope.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3693#comment:1>
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