#9922: Partial type signatures + extensions panic -------------------------------------+------------------------------------- Reporter: monoidal | Owner: thomasw Type: bug | Status: patch Priority: normal | Milestone: 7.10.1 Component: Compiler (Type | Version: 7.9 checker) | Keywords: Resolution: | Architecture: Operating System: Unknown/Multiple | Unknown/Multiple Type of failure: Compile-time | Test Case: crash | Blocking: Blocked By: | Differential Revisions: Phab:D595 Related Tickets: | -------------------------------------+------------------------------------- Comment (by Austin Seipp <austin@…>): In [changeset:"c9532f810a82c6395bc08fb77f2a895a50da86b5/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="c9532f810a82c6395bc08fb77f2a895a50da86b5" Fix panics of PartialTypeSignatures combined with extensions Summary: Disallow wildcards in stand-alone deriving instances (StandaloneDeriving), default signatures (DefaultSignatures) and instances signatures (InstanceSigs). Test Plan: validate Reviewers: austin Reviewed By: austin Subscribers: carter, thomie, monoidal Differential Revision: https://phabricator.haskell.org/D595 GHC Trac Issues: #9922 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9922#comment:7> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler