#13580: TypeApplications: panic from unknown function identifier --------------------------------------+--------------------------------- Reporter: j6carey | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: GHCi | Version: 8.0.2 Keywords: | Operating System: Linux Architecture: x86_64 (amd64) | Type of failure: None/Unknown Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: --------------------------------------+--------------------------------- Using type application with an unknown function identifier causes ghci to panic: {{{ $ ghci GHCi, version 8.0.2: http://www.haskell.org/ghc/ :? for help Prelude> :set -XDataKinds Prelude> :set -XTypeApplications Prelude> foo @3 ghc: panic! (the 'impossible' happened) (GHC version 8.0.2 for x86_64-unknown-linux): initTc: unsolved constraints WC {wc_insol = [W] foo_a12q :: t_a12p[tau:1] (CHoleCan: foo) [W] foo_a12O :: t_a12N[tau:1] (CHoleCan: foo)} Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug Prelude> }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13580 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler