#5286: panic: getPredTyDescription EqPred [7.0 regression]
---------------------------------+------------------------------------------
Reporter: simonmar | Owner:
Type: bug | Status: new
Priority: highest | Milestone: 7.2.1
Component: Compiler | Version: 7.0.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Compile-time crash
---------------------------------+------------------------------------------
Lots of tests are panicing with "getPredTyDescription EqPred". They all
seem to be failing the `profasm` way only. Here's a few:
{{{
=====> InstEqContext(profasm) 68 of 130 [0, 0, 0]
cd . && '/64playpen/simonmar/nightly/HEAD-cam-04-unx/x86_64-unknown-
linux/inplace/bin/ghc-stage2' -fforce-recomp -dcore-lint -dcmm-lint -dno-
debug-output -no-user-package-conf -rtsopts -c InstEqContext.hs -O -prof
-auto-all -fasm >InstEqContext.comp.stderr 2>&1
Compile failed (status 256) errors were:
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.1.20110627 for x86_64-unknown-linux):
getPredTyDescription EqPred
=====> InstEqContext3(profasm) 1796 of 2819 [1, 9, 0]
cd ./indexed-types/should_compile && '/64playpen/simonmar/nightly/HEAD-
cam-04-unx/x86_64-unknown-linux/inplace/bin/ghc-stage2' -fforce-recomp
-dcore-lint -dcmm-lint -dno-debug-output -no-user-package-conf -rtsopts
-c InstEqContext3.hs -O -prof -auto-all -fasm
>InstEqContext3.comp.stderr 2>&1
Compile failed (status 256) errors were:
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.1.20110627 for x86_64-unknown-linux):
getPredTyDescription EqPred
=====> T2238(profasm) 1804 of 2819 [1, 10, 0]
cd ./indexed-types/should_compile && '/64playpen/simonmar/nightly/HEAD-
cam-04-unx/x86_64-unknown-linux/inplace/bin/ghc-stage2' -fforce-recomp
-dcore-lint -dcmm-lint -dno-debug-output -no-user-package-conf -rtsopts
-c T2238.hs -O -prof -auto-all -fasm >T2238.comp.stderr 2>&1
Compile failed (status 256) errors were:
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.1.20110627 for x86_64-unknown-linux):
getPredTyDescription EqPred
=====> T4338(profasm) 1850 of 2819 [1, 11, 0]
cd ./indexed-types/should_compile && '/64playpen/simonmar/nightly/HEAD-
cam-04-unx/x86_64-unknown-linux/inplace/bin/ghc-stage2' -fforce-recomp
-dcore-lint -dcmm-lint -dno-debug-output -no-user-package-conf -rtsopts
-c T4338.hs -O -prof -auto-all -fasm >T4338.comp.stderr 2>&1
Compile failed (status 256) errors were:
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.1.20110627 for x86_64-unknown-linux):
getPredTyDescription EqPred
=====> T2102(profasm) 1852 of 2819 [1, 12, 0]
cd ./indexed-types/should_compile && '/64playpen/simonmar/nightly/HEAD-
cam-04-unx/x86_64-unknown-linux/inplace/bin/ghc-stage2' -fforce-recomp
-dcore-lint -dcmm-lint -dno-debug-output -no-user-package-conf -rtsopts
-c T2102.hs -O -prof -auto-all -fasm >T2102.comp.stderr 2>&1
Compile failed (status 256) errors were:
ghc-stage2: panic! (the 'impossible' happened)
(GHC version 7.1.20110627 for x86_64-unknown-linux):
getPredTyDescription EqPred
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5286>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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