[GHC] #11574: schedule: re-entered unsafely on minimal hello world program on arm

[GHC]

#11574: schedule: re-entered unsafely on minimal hello world program on arm
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        Reporter:  andrewufrank   |                Owner:
            Type:  bug            |               Status:  infoneeded
        Priority:  normal         |            Milestone:
       Component:  Compiler       |              Version:  7.10.3
      Resolution:                 |             Keywords:
Operating System:  Linux          |         Architecture:  arm
 Type of failure:  Runtime crash  |            Test Case:
      Blocked By:                 |             Blocking:
 Related Tickets:                 |  Differential Rev(s):
       Wiki Page:                 |
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Comment (by andrewufrank):

 i found a different way to resolve the issue and report it here; perhaps
 it helps others:

 i used the ghc from debian stretch (testing), which has uses a different
 version of llvm (namely 1:3.2.5-3) which works.

 this confirm the suggestion above that the llvm version in debian jessie
 backports is the cause to the problem.
 now things work nicely!

 thanks to the team that brought ghc to armhf (it runs smoothly and fast on
 an odroid xu4)

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11574#comment:9>
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