#5359: GHC 7.2.1-rc1 panics on `cgLookupPanic`
-------------------------------+--------------------------------------------
Reporter: hvr | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.1 | Keywords:
Testcase: | Blockedby:
Os: Linux | Blocking:
Architecture: x86_64 (amd64) | Failure: Compile-time crash
-------------------------------+--------------------------------------------
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
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5359>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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