#15325: GHCi panic in getIdFromTrivialExpr with -fdefer-type-errors -------------------------------------+------------------------------------- Reporter: dramforever | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Resolution: | Keywords: 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): Wiki Page: | -------------------------------------+------------------------------------- Comment (by monoidal): Confirmed in master, here's a simpler case: {{{ #!hs module T15325 where class PolyList e where polyList :: e -> () f :: PolyList e => e -> () f x = polyList x plh :: () plh = f 0 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15325#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler