[GHC] #9003: GHC eventlog: thread stop status codes modified (breaking ghc-events, threadscope, edentv)

[GHC]

#9003: GHC eventlog: thread stop status codes modified (breaking ghc-events,
threadscope, edentv)
-------------------------------+-------------------------------------------
        Reporter:  jberthold   |            Owner:  ezyang
            Type:  bug         |           Status:  merge
        Priority:  high        |        Milestone:  7.8.3
       Component:  Runtime     |          Version:  7.8.2
  System                       |         Keywords:
      Resolution:              |     Architecture:  Unknown/Multiple
Operating System:              |       Difficulty:  Easy (less than 1 hour)
  Unknown/Multiple             |       Blocked By:
 Type of failure:  Other       |  Related Tickets:
       Test Case:              |
        Blocking:              |
-------------------------------+-------------------------------------------

Comment (by Austin Seipp <austin@…>):

 In [changeset:"bd5f3ef6585640f762d96426bb041d79a5038e8e/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="bd5f3ef6585640f762d96426bb041d79a5038e8e"
 rts: Fix #9003 with an annoying hack

 The TL;DR is that by adding this, we can distinguish GHC 7.8.3 from
 7.8.2, which had a buggy implementation. See the ticket for details.

 Signed-off-by: Austin Seipp <austin at well-typed.com>
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9003#comment:18>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler