[GHC] #15544: Non-deterministic segmentation fault in cryptohash-sha256 testsuite

[GHC]

#15544: Non-deterministic segmentation fault in cryptohash-sha256 testsuite
-------------------------------------+-------------------------------------
        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5145
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"1971e9995b7c4acf550093f15e17dfdad47caaf9/ghc"
 1971e999/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="1971e9995b7c4acf550093f15e17dfdad47caaf9"
 Don't shortcut SRTs for static functions (#15544)

 Shortcutting the SRT for a static function can lead to resurrecting a
 static object at runtime, which violates assumptions in the GC. See
 comments for details.

 Test Plan:
 - manual testing (in progress)
 - validate

 Reviewers: osa1, bgamari, erikd

 Reviewed By: bgamari

 Subscribers: rwbarton, carter

 GHC Trac Issues: #15544

 Differential Revision: https://phabricator.haskell.org/D5145
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15544#comment:32>
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