[GHC] #9207: Detect obvious cases of infinite recursion.

[GHC]

#9207: Detect obvious cases of infinite recursion.
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        Reporter:  mrugiero         |            Owner:
            Type:  feature request  |           Status:  new
        Priority:  normal           |        Milestone:
       Component:  Compiler         |          Version:  7.8.2
      Resolution:                   |         Keywords:  infinite recursion
Operating System:                   |     Architecture:  Unknown/Multiple
  Unknown/Multiple                  |       Difficulty:  Unknown
 Type of failure:  None/Unknown     |       Blocked By:
       Test Case:                   |  Related Tickets:
        Blocking:                   |
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Comment (by mrugiero):

 Can you put an example of use of that function? Because I don't really see
 right now (and as I said, I'm just learning the language) creating an
 infinite list is good or useful. It just sounds like a blown up stack to
 me, whenever the list actually gets created. I guess this moment will be,
 thankfully, whenever a tail recursion starts using the generated values,
 am I right?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9207#comment:2>
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