[GHC] #10236: DWARF unwind info is broken

[GHC]

#10236: DWARF unwind info is broken
-------------------------------------+-------------------------------------
        Reporter:  thoughtpolice     |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.10.2
       Component:  Compiler          |                 Version:  7.10.1
  (Debugging)                        |                Keywords:  dwarf
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  Incorrect result  |               Test Case:
  at runtime                         |                Blocking:
      Blocked By:                    |  Differential Revisions:  Phab:D792
 Related Tickets:                    |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"59f7a7b6091e9c0564f3f370d09398d8c9cd8ad5/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="59f7a7b6091e9c0564f3f370d09398d8c9cd8ad5"
 Restore unwind information generation

 While we want to reduce the amount of information generated into
 debug_info, it really doesn't make sense to remove block information
 for unwinding.

 This is a simple oversight introduced in 4ab57024, which severly
 reduces the usefulness of generated unwind data. Thanks to bitonic
 for spotting this!

 Reviewed By: austin

 Differential Revision: https://phabricator.haskell.org/D792

 GHC Trac Issues: #10236
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10236#comment:1>
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