[GHC] #14135: PatternSynonyms regression in GHC HEAD (expectJust mkOneConFull)

[GHC]

#14135: PatternSynonyms regression in GHC HEAD (expectJust mkOneConFull)
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  dfeuer
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
                                     |  PatternSynonyms
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D3981
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by dfeuer):

 It seems a bit disturbing that the T13822 panic with Phab:D3981 only seems
 to happen with the stage 2 compiler. I can compile it just fine with the
 stage 1 compiler. I'm compiling a profiling build now to try to get a
 better backtrace.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14135#comment:15>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler