[GHC] #7045: the compiler and the library functions should read literals in the same way

[GHC]

#7045: the compiler and the library functions should read literals in the same way
------------------------------+---------------------------------------------
 Reporter:  maeder            |          Owner:                  
     Type:  bug               |         Status:  new             
 Priority:  normal            |      Component:  Compiler        
  Version:  7.4.2             |       Keywords:                  
       Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
  Failure:  None/Unknown      |       Testcase:                  
Blockedby:                    |       Blocking:                  
  Related:  #7044             |  
------------------------------+---------------------------------------------
 {{{
 main = print (1.10 :: Rational)
 }}}

 is legal whereas

 {{{
 main = print (read "1.10" :: Rational)
 }}}
 fails at runtime with "Prelude.read: no parse"

 The same applies to "1E10", but the e-notation should be rejected in both
 cases (see #7044)

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7045>
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