[GHC] #4012: Compilation results are not deterministic

GHC ghc-devs at haskell.org
Wed Jun 3 05:26:54 UTC 2015


#4012: Compilation results are not deterministic
-------------------------------------+-------------------------------------
        Reporter:  kili              |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  high              |               Milestone:  7.12.1
       Component:  Compiler          |                 Version:  6.12.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by puffnfresh):

 I'm going to try and start submitting data when I hit this bug. Here is a
 diff of the Data.ByteString.Interal interface which I had built locally vs
 the one in Nix's cached GHC:

 https://gist.github.com/puffnfresh/fe3c86baf416114ef644#file-local-vs-
 cached-diff

 There seems to be some slightly different strictness and unfolding. The
 full files are included in that gist, in case they help.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4012#comment:91>
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