Mostly fix Trac #2431: make empty case acceptable to (most of) GHC
authorsimonpj@microsoft.com <unknown>
Mon, 11 Aug 2008 12:31:58 +0000 (12:31 +0000)
committersimonpj@microsoft.com <unknown>
Mon, 11 Aug 2008 12:31:58 +0000 (12:31 +0000)
commit27de38efce6d73d2a0209f803cfa98c82773e773
tree77571f73056d624350cf036ea41cebb2dc109715
parent1fa3580c54985d73178d1d396b897176a57cd7f3
Mostly fix Trac #2431: make empty case acceptable to (most of) GHC

See the comments with Trac #2431.  This patch makes an empty HsCase
acceptable to the renamer onwards.  If you want to accept empty case
in Haskell source there's a little more to do: the ticket lists the
remaining tasks.
compiler/deSugar/DsExpr.lhs
compiler/hsSyn/HsExpr.lhs
compiler/rename/RnBinds.lhs
compiler/typecheck/TcMatches.lhs