[GHC] #8553: ASSERT failed compiler/typecheck/TcMType.lhs line 809

[GHC]

#8553: ASSERT failed compiler/typecheck/TcMType.lhs line 809
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        Reporter:  nomeata                  |            Owner:
            Type:  bug                      |           Status:  closed
        Priority:  normal                   |        Milestone:
       Component:  Compiler (Type checker)  |          Version:  7.7
      Resolution:  fixed                    |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  Compile-time crash       |  Unknown/Multiple
       Test Case:  gadt6 T7474 T5246        |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:
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Changes (by simonpj):

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


Comment:

 This really was a bug, now fixed.  (The particular manifestation was that
 `TcCanonical.reOrient` didn't fire when it should have done so.)

 I don't know how to test this; it requires the DEBUG compiler.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8553#comment:5>
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