[GHC] #10639: Tight (non-allocating) loop freezes the scheduler

[GHC]

#10639: Tight (non-allocating) loop freezes the scheduler
-------------------------------------+-------------------------------------
        Reporter:  gizmo.mk0         |                   Owner:
            Type:  bug               |                  Status:  patch
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Windows           |            Architecture:  x86_64
 Type of failure:  Incorrect result  |  (amd64)
  at runtime                         |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1127
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"4c55f14d0ab0f2b099c475a9810012f645bb059e/ghc"
 4c55f14d/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="4c55f14d0ab0f2b099c475a9810012f645bb059e"
 users_guide: Add note about #367 to Bugs section

 This is a long-standing bug and should be mentioned in the users guide,
 as noted in #10639.

 Test Plan: Carefully check language.

 Reviewers: simonpj, rwbarton, austin

 Subscribers: rwbarton, thomie

 Differential Revision: https://phabricator.haskell.org/D1127

 GHC Trac Issues: #10639, #367
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10639#comment:8>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler