[GHC] #3278: Make lazy unlifted bindings an error

[GHC]

#3278: Make lazy unlifted bindings an error
--------------------------------------+-------------------------------------
  Reporter:  igloo                    |          Owner:                  
      Type:  bug                      |         Status:  new             
  Priority:  high                     |      Milestone:  6.14.1          
 Component:  Compiler (Type checker)  |        Version:  6.11            
  Severity:  normal                   |       Keywords:                  
Difficulty:  Unknown                  |       Testcase:                  
        Os:  Unknown/Multiple         |   Architecture:  Unknown/Multiple
--------------------------------------+-------------------------------------
 Remove `Opt_WarnLazyUnliftedBindings`, and turn the `warnTc` into an
 `checkTc`.

 Remove `-Werror` from test T2806.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3278>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler