[GHC] #8250: cgrun072 (optllvm) failing

[GHC]

#8250: cgrun072 (optllvm) failing
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        Reporter:  leroux            |            Owner:
            Type:  bug               |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler (LLVM)   |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  Runtime crash     |       Difficulty:  Unknown
       Test Case:  cgrun072          |       Blocked By:
        Blocking:                    |  Related Tickets:  7902
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Comment (by rwbarton):

 Thanks for catching this, I can reproduce it on Linux/x86_64 also.

 There's a similar issue with bswap16 that cgrun072 doesn't catch, because
 there are no bswap16 test cases with low byte >= 128.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8250#comment:1>
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