#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: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * cc: simonpj (added) Comment: This is a regression from GHC 8.2.2, which did not exhibit this panic. The offending commit is 33452dfc6cf891b59d63fa9fe138b18cbce4df81 (`Refactor the Mighty Simplifier`). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15325#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler