#12104: Type families, `TypeError`, and `-fdefer-type-errors` cause "opt_univ fell into a hole" -------------------------------------+------------------------------------- Reporter: antalsz | Owner: (none) 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: | -------------------------------------+------------------------------------- Comment (by kosmikus): Simon, thanks a lot for testing with HEAD. I can confirm that my code works with HEAD (8.3.20170422) as well, but it still crashes with 8.2.0.20170422. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12104#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler