#9309: Regression when building the 'sizes' application ----------------------------------------------+---------------------------- Reporter: JohnWiegley | Owner: Type: bug | Status: new Priority: normal | Milestone: 7.10.1 Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects valid program | Unknown/Multiple Test Case: | Difficulty: Unknown Blocking: | Blocked By: | Related Tickets: ----------------------------------------------+---------------------------- Description changed by nomeata: Old description:
I have a package on Hackage called `sizes`. It builds fine with GHC 7.8.2, but when building with 7.8.3 I get:
ghc: panic! (the 'impossible' happened) (GHC version 7.8.3 for x86_64-apple-darwin): make_exp (App _ (Coercion _))
New description: I have a package on Hackage called `sizes`. It builds fine with GHC 7.8.2, but when building with 7.8.3 I get: {{{ ghc: panic! (the 'impossible' happened) (GHC version 7.8.3 for x86_64-apple-darwin): make_exp (App _ (Coercion _)) }}} -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9309#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler