[GHC] #14161: Performance Problems on AST Dump

[GHC]

#14161: Performance Problems on AST Dump
-------------------------------------+-------------------------------------
        Reporter:  h4ck3rm1k3        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by h4ck3rm1k3):

 /usr/local/bin/ghc --version
 The Glorious Glasgow Haskell Compilation System, version 8.3.20170819

 git log :
 commit 1cdceb9fa3bc3ad01b2d840caad8e735513e14ed
 Author: Ben Gamari <ben at smart-cactus.org>
 Date:   Sat Aug 19 07:44:13 2017 -0400

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14161#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler