#3395: Template Haskell crashes
-----------------------------+----------------------------------------------
Reporter: NeilMitchell | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.10.4 | Severity: normal
Keywords: | Testcase:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
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The following fragment:
{{{
{-# LANGUAGE TemplateHaskell #-}
import Language.Haskell.TH
foo = $(return $
CompE
[NoBindS (VarE $ mkName "undefined")
,BindS (VarP $ mkName "r1") (VarE $ mkName "undefined") ])
}}}
when loaded gives:
{{{
*** Exception: hsSyn\Convert.lhs:(427,14)-(428,33): Non-exhaustive
patterns in case
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3395>
GHC <http://www.haskell.org/ghc/>
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