#14607: Core Lint error -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.2.2 Resolution: | Keywords: TypeInType, | DeferredTypeErrors Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #14605 #14584 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Simon Peyton Jones <simonpj@…>): In [changeset:"9e5535ca667e060ce1431d42cdfc3a13ae080a88/ghc" 9e5535ca/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="9e5535ca667e060ce1431d42cdfc3a13ae080a88" Fix OptCoercion In the presence of -fdefer-type-errors, OptCoercion can encounter a mal-formed coerercion with type T a ~ T a b and that was causing a subsequent Lint error. This caused Trac #14607. Easily fixed by turning an ASSERT into a guard. }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14607#comment:4> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler