[GHC] #10696: -fcpr-off doesn't disable CPR completely

[GHC]

#10696: -fcpr-off doesn't disable CPR completely
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              Reporter:  rwbarton    |             Owner:
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  Compiler    |           Version:  7.11
              Keywords:              |  Operating System:  Unknown/Multiple
          Architecture:              |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
             Test Case:              |        Blocked By:
              Blocking:              |   Related Tickets:
Differential Revisions:              |
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 `Demand.cprProdDmdType` produces nontrivial information even when `-fcpr-
 off` is specified. I think it's unintentional.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10696>
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