compiler bug in ghc
Thorsten Seitz
thorsten.seitz at ngi.de
Tue Nov 13 17:39:29 EST 2001
Hi,
while trying to compile the attached file MonadT.hs I got the following error:
ghc -fglasgow-exts -c -o MonadT.o MonadT.hs
ghc-5.02: panic! (the `impossible' happened, GHC version 5.02):
coreSyn/Subst.lhs:387: Non-exhaustive patterns in function zip_ty_env
Please report it as a compiler bug to glasgow-haskell-bugs at haskell.org,
or http://sourceforge.net/projects/ghc/.
--
uname -a
Linux hobbes 2.2.17 #2 SMP Sun Dec 3 22:42:15 CET 2000 i686 unknown
gcc -v
Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.2/specs
gcc version 2.95.2 20000220 (Debian GNU/Linux)
output while running with -v enabled:
ghc -fglasgow-exts -v -c -o MonadT.o MonadT.hs
Glasgow Haskell Compiler, Version 5.02, for Haskell 98, compiled by GHC
version 5.02
Using package config file: /usr/lib/ghc-5.02/package.conf
==================== Packages ====================
Package
{name = "gmp",
import_dirs = [],
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hs_libraries = [],
extra_libraries = ["gmp"],
include_dirs = [],
c_includes = [],
package_deps = [],
extra_ghc_opts = [],
extra_cc_opts = [],
extra_ld_opts = []}
Package
{name = "rts",
import_dirs = [],
source_dirs = [],
library_dirs = ["/usr/lib/ghc-5.02"],
hs_libraries = ["HSrts"],
extra_libraries = ["m"],
include_dirs = ["/usr/lib/ghc-5.02/include"],
c_includes = ["Stg.h"],
package_deps = ["gmp"],
extra_ghc_opts = [],
extra_cc_opts = [],
extra_ld_opts =
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Package
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Package
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Package
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Package
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Package
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Package
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Package
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c_includes = ["HsUtil.h"],
package_deps = ["lang", "concurrent", "posix"],
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Package
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Package
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Package
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include_dirs = [],
c_includes = ["HsXlib.h"],
package_deps = ["greencard"],
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extra_cc_opts = [],
extra_ld_opts = []}
Package
{name = "HGL",
import_dirs = ["/usr/lib/ghc-5.02/imports/HGL"],
source_dirs = [],
library_dirs = [],
hs_libraries = ["HSHGL"],
extra_libraries = [],
include_dirs = [],
c_includes = [],
package_deps = ["xlib", "concurrent"],
extra_ghc_opts = [],
extra_cc_opts = [],
extra_ld_opts = []}
Hsc static flags: -static -fignore-interface-pragmas -fomit-interface-pragmas
-fdo-lambda-eta-expansion -flet-no-escape
*** Checking old interface for hs = Just "MonadT.hs", hspp = Just "MonadT.hs":
Compiling MonadT ( MonadT.hs, MonadT.o )
*** Parser:
*** Renamer:
*** Typechecker:
*** Deleting temp files
Deleting: /tmp/ghc32713.s /tmp/ghc32713.hspp
Warning: deleting non-existent /tmp/ghc32713.s
Warning: deleting non-existent /tmp/ghc32713.hspp
ghc-5.02: panic! (the `impossible' happened, GHC version 5.02):
coreSyn/Subst.lhs:387: Non-exhaustive patterns in function zip_ty_env
Please report it as a compiler bug to glasgow-haskell-bugs at haskell.org,
or http://sourceforge.net/projects/ghc/.
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