#14458: ghc: panic! -- initTc: unsolved constraints -------------------------------------+------------------------------------- Reporter: lijero | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 Resolution: duplicate | Keywords: Operating System: Linux | Architecture: x86_64 Type of failure: Compile-time | (amd64) crash or panic | Test Case: Blocked By: | Blocking: Related Tickets: #13106 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * resolution: => duplicate * related: => #13106 Comment: Thanks for the bug report. This is a duplicate of #13106, and has been fixed in GHC 8.2: {{{ $ /opt/ghc/8.2.1/bin/ghc Bug.hs [1 of 1] Compiling Main ( Bug.hs, Bug.o ) Bug.hs:1:1: error: The IO action ‘main’ is not defined in module ‘Main’ | 1 | module Main where | ^ Bug.hs:17:36: error: • Variable not in scope: parse :: [Main.Token] -> ([Main.Token] -> Main.Ast -> Maybe Main.Ast) -> Maybe Main.Ast • Perhaps you meant ‘parse'’ (line 14) | 17 | parse' xs (\ xs' f -> AApp f <$> parse xs' fail) | ^^^^^ Bug.hs:19:36: error: • Variable not in scope: parse :: [Main.Token] -> ([Main.Token] -> Main.Ast -> Maybe Main.Ast) -> Maybe Main.Ast • Perhaps you meant ‘parse'’ (line 14) | 19 | parse' xs (\ xs' a -> ALam a <$> parse xs' fail) | ^^^^^ }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14458#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler