My apologies for that. Please ignore. On Sat, Feb 6, 2016 at 11:16 AM, Eric Crockett wrote:

https://ghc.haskell.org/trac/ghc/ticket/7803#comment:12

On Sat, Feb 6, 2016 at 11:14 AM, GHC wrote:

...

#7803: Superclass methods are left unspecialized

-------------------------------------+------------------------------------- Reporter: akio | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 7.6.2 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Compile-time | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: |

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Comment (by bgamari):

I've started a pair of builds; I'll put up nofib results once they have finished.

-- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/7803#comment:12 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler