[GHC] #8743: The impossible happened : Prelude.(!!): index too large

[GHC]

#8743: The impossible happened : Prelude.(!!): index too large
---------------------------------------+----------------------------------
        Reporter:  erikd               |            Owner:
            Type:  bug                 |           Status:  new
        Priority:  highest             |        Milestone:  7.8.1
       Component:  Compiler            |          Version:  7.8.1-rc1
      Resolution:                      |         Keywords:
Operating System:  Unknown/Multiple    |     Architecture:  x86_64 (amd64)
 Type of failure:  Compile-time crash  |       Difficulty:  Unknown
       Test Case:                      |       Blocked By:
        Blocking:                      |  Related Tickets:
---------------------------------------+----------------------------------
Changes (by erikd):

 * priority:  normal => highest
 * milestone:   => 7.8.1


Comment:

 Same problem for 7.8-rc1 on amd64 Linux (Debian Testing).

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8743#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler