[GHC] #16406: Array code works with GHC 8.4.4, hangs with GHC 8.6.4

GHC ghc-devs at haskell.org
Fri Mar 8 08:59:07 UTC 2019


#16406: Array code works with GHC 8.4.4, hangs with GHC 8.6.4
-------------------------------------+-------------------------------------
        Reporter:  arybczak          |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  libraries         |              Version:  8.6.4
  (other)                            |
      Resolution:                    |             Keywords:  array
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by simonpj):

 That's bad. We should not be changing Haskell's semantics, unless the
 library was somehow exploiting an undocumented (or perhaps even wrong)
 corner of the semantics.  Worth investigating!

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16406#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list