#8961: Require PatternSynonyms language extension to *use* pattern synonyms -------------------------------------------+------------------------------- Reporter: cactus | Owner: cactus Type: bug | Status: new Priority: normal | Milestone: 7.8.1 Component: Compiler (Type checker) | Version: 7.8.1-rc2 Keywords: | Operating System: Architecture: Unknown/Multiple | Unknown/Multiple Difficulty: Easy (less than 1 hour) | Type of failure: Blocked By: | None/Unknown Related Tickets: | Test Case: | Blocking: -------------------------------------------+------------------------------- To keep in the spirit of #2905, especially in light of the immaturity of the pattern synonyms extensions, GHC should require the `PatternSynonyms` language extension to be turned on when encountering a pattern synonym occurance. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/8961 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler