[GHC] #1762: wrong result of isProperSubsetOf

Mon Oct 8 10:24:59 EDT 2007

#1762: wrong result of isProperSubsetOf
-----------------------------+----------------------------------------------
  Reporter:  guest           |          Owner:        
      Type:  bug             |         Status:  new   
  Priority:  normal          |      Milestone:        
 Component:  libraries/base  |        Version:  6.4.1 
  Severity:  normal          |       Keywords:  IntSet
Difficulty:  Unknown         |             Os:  Linux 
  Testcase:                  |   Architecture:  x86   
-----------------------------+----------------------------------------------
 {{{IntSet.isProperSubsetOf (IntSet.fromList [2,3]) (IntSet.fromList
 [1,2,3])}}}
 is evaluated to {{{False}}}, but should be {{{True}}}.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1762>
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