#4176: reject unary minus in infix left hand side function bindings that resolve
differently as expressions
---------------------------+------------------------------------------------
  Reporter:  maeder        |          Owner:                   
      Type:  bug           |         Status:  closed           
  Priority:  normal        |      Milestone:  7.2.1            
 Component:  Compiler      |        Version:  6.12.3           
Resolution:  wontfix       |       Keywords:  fixity resolution
  Testcase:                |      Blockedby:                   
Difficulty:                |             Os:  Unknown/Multiple 
  Blocking:                |   Architecture:  Unknown/Multiple 
   Failure:  None/Unknown  |  
---------------------------+------------------------------------------------
Changes (by igloo):

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


Comment:

 hugs September 2006 rejects this with:
 {{{
 ERROR "b.hs":4 - Illegal pattern syntax
 }}}
 but as far as I can tell it is legal according to the Haskell 2010 report:
 {{{
 decl -> (funlhs | var) rhs
 funlhs -> pat varop pat
 pat -> lpat
 lpat -> - (integer | float)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4176#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler

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