[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:  (none)
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.2.1
       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:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by rwbarton):

 Looks like a regular "Core program gets very large" issue. The Core
 program got very large in 8.0.1 too (I didn't try earlier versions) but
 now it gets even more very large.

 I tried with the versions of GHC before and after the Join points commit
 since I have them lying around. Already before the Join points commit the
 Core program grows to be very large quickly (actually, even more so than
 with HEAD).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13535#comment:2>
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