[GHC] #9732: Pattern synonyms and unboxed values

GHC ghc-devs at haskell.org
Thu Nov 13 15:41:02 UTC 2014


#9732: Pattern synonyms and unboxed values
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              Reporter:  monoidal    |            Owner:  cactus
                  Type:  bug         |           Status:  patch
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:              |         Keywords:  pattern synonyms
      Operating System:              |     Architecture:  Unknown/Multiple
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Compile-    |       Blocked By:
  time crash                         |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by Dr. ERDI Gergo <gergo@…>):

 In [changeset:"7f929862388afd54043d59b37f2f5375c5315344/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="7f929862388afd54043d59b37f2f5375c5315344"
 If pattern synonym is bidirectional and its type is some unboxed type T#,
 generate a worker function of type Void# -> T#, and redirect the wrapper
 (via a compulsory unfolding) to the worker. Fixes #9732.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9732#comment:18>
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