#2111: Incorrect arrow rec {} notation crashes in ghci
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Reporter: luqui | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 6.8.1 | Severity: normal
Keywords: | Testcase:
Architecture: x86 | Os: Linux
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{{{
[ ~ ]% ghci -fglasgow-exts -farrows
GHCi, version 6.8.1: http://www.haskell.org/ghc/ :? for help
Loading package base ... linking ... done.
Prelude> do { rec { x <- undefined -< x }; undefined -< x }
ghc-6.8.1: panic! (the 'impossible' happened)
(GHC version 6.8.1 for i386-unknown-linux):
tcDoStmt: unexpected Stmt
rec {(x{v anj}) <- base:GHC.Err.undefined{v rle} -< x{v anj}}
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
Prelude> Leaving GHCi.
[ ~ ]% ghc --version
The Glorious Glasgow Haskell Compilation System, version 6.8.1
[ ~ ]% uname -a
Linux madhatter 2.6.22-gentoo-r8 #6 PREEMPT Sat Oct 20 04:19:22 GMT 2007
i686 AMD Turion(tm) 64 Mobile Technology ML-40 AuthenticAMD GNU/Linux
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2111>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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