RegAllocLinear.getStackSlotFor: out of stack slots

[hydo]

bash$ sudo cabal install --global HAppSHelpers
...
Linking dist/build/SymmetricTest/SymmetricTest ...
[1 of 4] Compiling Codec.Utils      ( Codec/Utils.hs, dist/build/SHA1Test/SHA1Test-tmp/Codec/Utils.o )
[2 of 4] Compiling Data.Digest.SHA1 ( Data/Digest/SHA1.hs, dist/build/SHA1Test/SHA1Test-tmp/Data/Digest/SHA1.o )
[3 of 4] Compiling Codec.Text.Raw   ( Codec/Text/Raw.hs, dist/build/SHA1Test/SHA1Test-tmp/Codec/Text/Raw.o )
[4 of 4] Compiling Main             ( SHA1Test.hs, dist/build/SHA1Test/SHA1Test-tmp/Main.o )
ghc: panic! (the 'impossible' happened)
  (GHC version 6.10.1 for i386-apple-darwin):
        RegAllocLinear.getStackSlotFor: out of stack slots, try -fregs-graph

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

bash-3.2$ ghc-pkg list
/Library/Frameworks/GHC.framework/Versions/610/usr/lib/ghc-6.10.1/./package.conf:
    Cabal-1.6.0.1, HAppS-Data-0.9.3, HAppS-IxSet-0.9.3,
    HAppS-Server-0.9.3.1, HAppS-State-0.9.3, HAppS-Util-0.9.3,
    HSH-1.2.6, HStringTemplate-0.4.3, HStringTemplateHelpers-0.0.3,
    HTTP-3001.1.3, HUnit-1.2.0.3, HaXml-1.13.3, MissingH-1.0.2.1,
    QuickCheck-1.2.0.0, array-0.2.0.0, base-3.0.3.0, base-4.0.0.0,
    binary-0.4.4, bytestring-0.9.1.4, cairo-0.9.13, containers-0.2.0.0,
    directory-1.0.0.2, (dph-base-0.3), (dph-par-0.3),
    (dph-prim-interface-0.3), (dph-prim-par-0.3), (dph-prim-seq-0.3),
    (dph-seq-0.3), editline-0.2.1.0, filepath-1.1.0.1, gconf-0.9.13,
    (ghc-6.10.1), ghc-prim-0.1.0.0, glade-0.9.13, glib-0.9.13,
    gnomevfs-0.9.13, gtk-0.9.13, gtkglext-0.9.13, haddock-2.3.0,
    haskell-src-1.0.1.3, haskell98-1.0.1.0, hpc-0.5.0.2,
    hscolour-1.10.1, hslogger-1.0.6, hspread-0.3, html-1.0.1.2,
    integer-0.1.0.0, mtl-1.1.0.2, network-2.2.0.1, old-locale-1.0.0.1,
    old-time-1.0.0.1, packedstring-0.1.0.1, parallel-1.1.0.0,
    parsec-2.1.0.1, pretty-1.0.1.0, process-1.0.1.0, pureMD5-0.2.4,
    random-1.0.0.1, regex-base-0.72.0.2, regex-compat-0.71.0.1,
    regex-posix-0.72.0.3, rts-1.0, safe-0.2, soegtk-0.9.13,
    sourceview-0.9.13, stm-2.1.1.2, svgcairo-0.9.13, syb-0.1.0.0,
    syb-with-class-0.4, template-haskell-2.3.0.0, terminfo-0.2.2.1,
    time-1.1.2.2, unix-2.3.1.0, utf8-string-0.3.3, xhtml-3000.2.0.1,
    zip-archive-0.1.1.1, zlib-0.4.0.4, zlib-0.5.0.0
bash-3.2$ 

[igloo]

Thanks for the report. This looks like a duplicate of #1993.