
#8773: Require -XIncoherentInstances to write role annotations on class definitions --------------------------------------------+------------------------------ Reporter: goldfire | Owner: goldfire Type: bug | Status: merge Priority: normal | Milestone: 7.8.1 Component: Compiler | Version: 7.8.1-rc1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: None/Unknown | Unknown/Multiple Test Case: roles/should_fail/T8773 | Difficulty: Unknown Blocking: 8745 | Blocked By: | Related Tickets: #8745 --------------------------------------------+------------------------------ Changes (by goldfire): * status: new => merge * testcase: => roles/should_fail/T8773 Comment: I think (once again) that GND and `coerce` are Safe. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8773#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler