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Grabbed the ghc-7.2.0.20110728-x86_64-unknown-linux.tar.bz2 release, and as a first thing after install I tried to cabal install text, which paniced with the following output

...
Registering deepseq-1.1.0.2...
Configuring text-0.11.1.5...
Preprocessing library text-0.11.1.5...
Building text-0.11.1.5...
[ 1 of 38] Compiling Data.Text.Encoding.Utf32 ( Data/Text/Encoding/Utf32.hs, dist/build/Data/Text/Encoding/Utf32.o )
...
[23 of 38] Compiling Data.Text.Foreign ( Data/Text/Foreign.hs, dist/build/Data/Text/Foreign.o )

Data/Text/Foreign.hs:36:26:
    Warning: In the use of `unsafeIOToST'
             (imported from Control.Monad.ST):
             Deprecated: "Please import from Control.Monad.ST.Unsafe instead; This will be removed in the next release"
[24 of 38] Compiling Data.Text        ( Data/Text.hs, dist/build/Data/Text.o )
ghc: panic! (the 'impossible' happened)
  (GHC version 7.2.0.20110728 for x86_64-unknown-linux):
	cgLookupPanic (probably invalid Core; try -dcore-lint)
    $w$j{v s1HTU} [lid]
    static binds for:
    local binds for:

Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug

cabal: Error: some packages failed to install:
text-0.11.1.5 failed during the building phase. The exception was:
ExitFailure 1

Trac metadata

Trac field	Value
Version	7.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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