[GHC] #1123: Impredicativity bug: forall not hoisted properly

[GHC]

#1123: Impredicativity bug: forall not hoisted properly
---------------------------------------------------+------------------------
  Reporter:  Ashley Yakeley <ashley@…>             |          Owner:  simonpj         
      Type:  bug                                   |         Status:  closed          
  Priority:  low                                   |      Milestone:  7.0.1           
 Component:  Compiler                              |        Version:  6.6             
Resolution:  fixed                                 |       Keywords:                  
  Testcase:  typecheck/should_compile/T1123        |      Blockedby:                  
Difficulty:  Unknown                               |             Os:  Unknown/Multiple
  Blocking:                                        |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown                          |  
---------------------------------------------------+------------------------
Changes (by simonpj):

  * status:  new => closed
  * failure:  => None/Unknown
  * resolution:  => fixed
  * testcase:  => typecheck/should_compile/T1123


Comment:

 The original test, and the `runA2` one boh work fine with the new
 typechecker.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1123#comment:16>
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