[GHC] #5581: ConstraintKinds lets you put the typechecker into a loop

[GHC]

#5581: ConstraintKinds lets you put the typechecker into a loop
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  Reporter:  pumpkin                  |          Owner:  batterseapower  
      Type:  bug                      |         Status:  closed          
  Priority:  normal                   |      Milestone:                  
 Component:  Compiler (Type checker)  |        Version:  7.3             
Resolution:  fixed                    |       Keywords:  ConstraintKinds 
  Testcase:                           |      Blockedby:                  
Difficulty:                           |             Os:  Unknown/Multiple
  Blocking:                           |   Architecture:  Unknown/Multiple
   Failure:  Compile-time crash       |  
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Changes (by batterseapower):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 I've added a test, T5581, in commit
 fbf4be8429efe36984baebd800c31984272db401

 I relaxed the size check for tuple predicates while I was at it.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5581#comment:4>
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