[GHC] #9878: Static pointers in GHCi cause panic

GHC ghc-devs at haskell.org
Thu Dec 18 07:19:48 UTC 2014


#9878: Static pointers in GHCi cause panic
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              Reporter:  monoidal    |            Owner:  facundo.dominguez
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.9
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  GHCi crash  |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:              |
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Comment (by mboes):

 > a) is actually adding support for GHCi and HPC challenging? (if so whats
 the challenge? Let us help!)

 This tells me there might be a slight misinterpretation of Facundo's last
 comment. The point is, -XStaticPointers uses the exact same strategy as
 hpc for initializing the static pointer table. Insofar as there
 -XStaticPointers doesn't work in GHCi, it seems to not work for the same
 reason that hpc does not work.

 I very much suspect that whatever fix to this issue we find will equally
 apply to hpc. Should we nonetheless still file a separate bug report for
 the fact that HPC fails in the same way -XStaticPointers does at the GHCi
 prompt?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9878#comment:12>
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