[GHC] #3693: Show stack traces

[GHC]

#3693: Show stack traces
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        Reporter:  jpet              |            Owner:  Tarrasch
            Type:  feature request   |           Status:  new
        Priority:  normal            |        Milestone:  7.10.1
       Component:  Runtime System    |          Version:  6.10.4
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by Tarrasch):

 Wow, this is amazing! There's also a discussion tree at reddit:
 http://www.reddit.com/r/haskell/comments/1vo1se/hacking_ghcs_stack_for_fun_and_profit_featuring/

 Tim covers a lot of interesting stuff I have not really had time nor
 knowledge to dive into. In particular he confronts the difficulties of
 foreign function calls and receiving signals that don't get turned into
 Haskell exceptions, like `unsafeWrite v 1000000000 (0 :: Int)` in contrast
 to `error "rts-aware exception"`.

 For my thesis work, I'll be sticking with how to handle RTS-aware
 exceptions. But I'll be enthusiastically following how Tim's ghd is
 progressing. His README on the github page is a very, very well-written
 and good read.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/3693#comment:54>
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