#13272: DeriveAnyClass regression involving a rigid type variable -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.2.1 Component: Compiler (Type | Version: 8.1 checker) | Resolution: | Keywords: Generics Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * cc: simonpj (added) Comment: FWIW, in the example in comment:1, the loop happens upon the first call to `solveWantedsAndDrop` [http://git.haskell.org/ghc.git/blob/0e7601749d53d59df528ede996d8b54352051498... here]. I'm a bit clueless as to where to begin searching for a place to debug this. Simon, do you have any ideas? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13272#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler