#4399: Infinite loop when compiling Haskell '98 code
---------------------------------+------------------------------------------
Reporter: sjoerd_visscher | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.12.3 | Keywords:
Testcase: | Blockedby:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Compile-time crash
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Ghci (6.12.3 and 7.0.0) loops when it tries to compile this code:
{{{
data Loop = CLoop (Loop -> ())
loop_step :: Loop -> ()
loop_step b@(CLoop f) = f b
loop :: ()
loop = loop_step (CLoop loop_step)
}}}
It works fine when I change Loop into a newtype.
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4399>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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