#5513: panic! (the 'impossible' happened) on ‘deriving instance lowercase_name a’ ---------------------------------+------------------------------------------ Reporter: andersk | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.3 | Keywords: Testcase: | Blockedby: Os: Unknown/Multiple | Blocking: Architecture: Unknown/Multiple | Failure: Compile-time crash ---------------------------------+------------------------------------------
Comment(by simonpj@…): commit ce1f1cd5f0ec5f07475e44cf2b7f72e0cbb8a963 {{{ Author: Simon Peyton Jones <simo...@microsoft.com> Date: Thu Sep 29 16:47:57 2011 +0100 Tidy up the shape-checking for instance types (in instance and standalone deriving decls) Fixes Trac #5513. compiler/parser/Parser.y.pp | 7 +++---- compiler/parser/RdrHsSyn.lhs | 21 --------------------- compiler/rename/RnNames.lhs | 10 +++++++--- compiler/rename/RnSource.lhs | 4 ++-- compiler/rename/RnTypes.lhs | 17 ++++++++++++++++- 5 files changed, 28 insertions(+), 31 deletions(-) }}} -- Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5513#comment:1> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler _______________________________________________ Glasgow-haskell-bugs mailing list Glasgow-haskell-bugs@haskell.org http://www.haskell.org/mailman/listinfo/glasgow-haskell-bugs