patch applied (ghc): Tuples cannot contain unboxed types

[Simon Peyton Jones]

Thu May 15 04:53:32 PDT 2008  simonpj at microsoft.com
  * Tuples cannot contain unboxed types
  
  This bug allowed, for example
  
    f = let x = ( 1#, 'x' ) in x
  
  which is ill-typed because you can't put an unboxed value in a tuple.
  Core Lint fails on this program.
  
  The patch makes the program be rejcted up-front.
  
  

    M ./compiler/typecheck/TcExpr.lhs -1 +3

View patch online:
http://darcs.haskell.org/ghc/_darcs/patches/20080515115332-1287e-9168c0a870f94aa5d3e5f613e9fe18ac849978e3.gz