[ ghc-Bugs-1002139 ] Assertion failed in GC.c

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Bugs item #1002139, was opened at 2004-08-02 14:08
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Category: Runtime System
Group: 6.2.1
Status: Open
Resolution: None
Priority: 5
Submitted By: Mario Blažević (blamario)
Assigned to: Nobody/Anonymous (nobody)
Summary: Assertion failed in GC.c

Initial Comment:
Instructions:

1. Download the attached archive.
2. tar xzf gens.tar.gz
3. cd gens
4. make
5. make Env/If.so
6. ./gens - <tests

The message I'm getting is:

ASSERTION FAILED: file GC.c, line 1722

When I compile without -debug option, there's a
segfault with no error report. If I do +RTS -G1 -RTS,
the tests keep running longer, but they still crash in
the end.

There's another weird thing, probably unrelated.

./gens-prof +RTS -xc -RTS - <tests

outputs stack frames ending with readFile function
call, like it was throwing an exception and catching it
immediately. After the readFile call, execution
proceeds normally.


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