#7392: "the impossible happened" when compiling Types.Substitutions
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Reporter: martindemello | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.6.1 | Keywords:
Os: Linux | Architecture: Unknown/Multiple
Failure: Compile-time crash | Testcase:
Blockedby: | Blocking:
Related: |
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Ran into this when trying to compile elm from git:
$ cabal install
Resolving dependencies...
Configuring Elm-0.5.0.1...
Building Elm-0.5.0.1...
Preprocessing library Elm-0.5.0.1...
[ 3 of 26] Compiling Types.Substitutions ( src/Types/Substitutions.hs,
dist/build/Types/Substitutions.o )
ghc: panic! (the 'impossible' happened)
(GHC version 7.6.1 for i386-unknown-linux):
compiler/codeGen/CgCase.lhs:572:15-61: Irrefutable pattern failed
for pattern ((CoreSyn.DEFAULT,
deflt_absC) : others)
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
Failed to install Elm-0.5.0.1
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7392>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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