#13524: GHC does not preserve order of forall'd vars with TypeApplications -------------------------------------+------------------------------------- Reporter: crockeea | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler | Version: 8.0.2 Resolution: fixed | Keywords: | TypeApplications Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: GHC rejects | Test Case: valid program | typecheck/should_compile/T13524 Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by simonpj): * status: new => closed * testcase: => typecheck/should_compile/T13524 * resolution: => fixed Comment: I fixed this, somewhat by accident. The key code is in `TcSimplify.decideQuantifiedTyVars`, where there is a comment to explain. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13524#comment:13 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler