Weak pointers can cause segfault
The attached program segfaults. It appears to be nondeterministic, but on my machine, it occurs at least 95% of the time. Some small changes, such as removing the bang pattern, cause the segfault to become much less likely.
weakPointerSegfault: internal error: ASSERTION FAILED: file rts/sm/GCAux.c, line 44
(GHC version 8.0.0.20160411 for x86_64_unknown_linux)
Please report this as a GHC bug: http://www.haskell.org/ghc/reportabug
Aborted (core dumped)
Trac metadata
Trac field | Value |
---|---|
Version | 8.0.1-rc3 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
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