#14175: Panic repSplitTyConApp_maybe -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.2.2 Component: Compiler (Type | Version: 8.2.1 checker) | Resolution: | Keywords: TypeInType Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: #13910 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * related: => #13910 Comment: On HEAD, this gives a slightly different panic: {{{ $ ghc5/inplace/bin/ghc-stage2 --interactive Bug.hs GHCi, version 8.3.20170818: http://www.haskell.org/ghc/ :? for help Loaded GHCi configuration from /home/rgscott/.ghci [1 of 1] Compiling Whoops ( Bug.hs, interpreted ) ghc-stage2: panic! (the 'impossible' happened) (GHC version 8.3.20170818 for x86_64-unknown-linux): getRuntimeRep j_a1tG[sk:1] :: k_a1tJ[tau:1] Call stack: CallStack (from HasCallStack): callStackDoc, called at compiler/utils/Outputable.hs:1142:37 in ghc:Outputable pprPanic, called at compiler/types/Type.hs:1982:18 in ghc:Type }}} This is a characteristic that it shares with the program in #13910. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14175#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler