[GHC] #11291: DfltProb1(optasm): panic CoreToStg.myCollectArgs

[GHC]

#11291: DfltProb1(optasm): panic CoreToStg.myCollectArgs
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        Reporter:  thomie            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.11
  (CodeGen)                          |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash                              |  typecheck/should_compile/DfltProb1
                                     |  (optasm)
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by thomie):

 Hmm, Harbormaster also fails on `TEST=DfltProb1 WAY=optasm` (and a bunch
 of other tests): https://phabricator.haskell.org/D1652#50905

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11291#comment:5>
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