#11541: Type errors sometimes has a lot of irrelevant information -------------------------------------+------------------------------------- Reporter: augustss | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.8.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Simon Peyton Jones <simonpj@…>): In [changeset:"18cd712427182e76d38047860ee3e26799bc3fe2/ghc" 18cd712/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="18cd712427182e76d38047860ee3e26799bc3fe2" Improve error message suppression TcErrors has a system for suppressing some type errors if a more serious one occurs. But there was a crucial missing case, which sometimes resulted in a cascade of irrelevant errors overwhelming the actual cause. This was Trac #11541. The fix is simple. Worth merging to 8.0 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11541#comment:6> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler