#12104: Type families, `TypeError`, and `-fdefer-type-errors` cause "opt_univ fell into a hole" -------------------------------------+------------------------------------- Reporter: antalsz | Owner: Type: bug | Status: new Priority: high | Milestone: Component: Compiler (Type | Version: 8.0.1 checker) | Keywords: TypeFamilies, Resolution: | CustomTypeErrors Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple crash | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by thomie): * cc: conal (added) * component: Compiler => Compiler (Type checker) Comment: Conal Elliott reported the same panic in https://mail.haskell.org/pipermail/ghc-devs/2016-April/011687.html, when writing a custom GHC plugin. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12104#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler