[GHC] #13535: vector test suite uses excessive memory on GHC 8.2

[GHC]

#13535: vector test suite uses excessive memory on GHC 8.2
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        Reporter:  RyanGlScott       |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10800            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by George):

 The original test still reproduces with ghc 8.6.1. In particular,  bash -c
 'ulimit -v 4000000; cabal test' fails with "ghc: out of memory." The
 output of David's compile above with Smaller-Vector.hs is in the attached
 file, compile.out, just above

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13535#comment:51>
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