#14737: Improve performance of Simplify.simplCast -------------------------------------+------------------------------------- Reporter: tdammers | Owner: goldfire Type: bug | Status: patch Priority: highest | Milestone: 8.6.1 Component: Compiler | Version: 8.2.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: #11735 #14683 | Differential Rev(s): Phab:D4385 Wiki Page: | -------------------------------------+------------------------------------- Comment (by tdammers): Replying to [comment:13 simonpj]:
Yes, delete the `eqType` branches in both `pushCoTyArg` and `pushValArg`. Leave a Note to say "don't do `eqType` here! (see Trac #14737)".
Patch here: https://phabricator.haskell.org/D4568 -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14737#comment:21 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler