#7210: Bang in front of type name crashes GHC
--------------------------------+-------------------------------------------
Reporter: tibbe | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.6.1-rc1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: Compile-time crash | Testcase:
Blockedby: | Blocking:
Related: |
--------------------------------+-------------------------------------------
When adding a bang to a type constructor applied to a type, I forgot to
surround it with parenthesis:
{{{
module Test where
import Data.IntMap
data T = C { f :: !IntMap Int }
}}}
leading to the following crash:
{{{
[1 of 1] Compiling Test ( Control/Distributed/Hayride/Test.hs,
interpreted )
ghc: panic! (the 'impossible' happened)
(GHC version 7.6.0.20120810 for x86_64-unknown-linux):
tc_hs_type: bang
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7210>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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