[GHC] #11338: Unwind information is incorrect in region surrounding a safe foreign call

[GHC]

#11338: Unwind information is incorrect in region surrounding a safe foreign call
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        Reporter:  bgamari           |                Owner:
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.3
  (CodeGen)                          |
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Debugging         |  Unknown/Multiple
  information is incorrect           |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11337, #11353    |  Differential Rev(s):  Phab:D2743
       Wiki Page:                    |
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Changes (by bgamari):

 * status:  new => closed
 * differential:   => Phab:D2743
 * resolution:   => invalid


Comment:

 It turns out that this actually isn't a problem. I don't recall what my
 original reasoning here was, but there seems to be no reason why we can't
 rely on the value of the STG `Sp` register in the vicinity of a safe
 foreign call. My DWARF patches work fine, even without Phab:D2743.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11338#comment:5>
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