#11521: Use weak references to cache homsets
-------------------------------+--------------------------------------------
Reporter: jpflori | Owner: robertwb
Type: defect | Status: new
Priority: major | Milestone: sage-5.1
Component: coercion | Resolution:
Keywords: sd35 | Work issues:
Report Upstream: N/A | Reviewers: Jean-Pierre Flori
Authors: Simon King | Merged in:
Dependencies: #11900 #715 | Stopgaps:
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Changes (by jdemeyer):
* status: closed => new
* resolution: fixed =>
* merged: sage-5.1.beta0 =>
Comment:
Unmerged because unmerging #12313 while keeping #11521 gives on OS X 10.6:
{{{
$ ./sage -t --verbose devel/sage/sage/misc/cachefunc.pyx
[...]
Trying:
P = QQ['a, b, c, d']; (a, b, c, d,) = P._first_ngens(4)###line
1038:_sage_ >>> P.<a,b,c,d> = QQ[]
Expecting nothing
------------------------------------------------------------------------
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component of Sage has a bug
in it and is not properly wrapped with sig_on(), sig_off(). You might
want to run Sage under gdb with 'sage -gdb' to debug this.
Sage will now terminate.
------------------------------------------------------------------------
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11521#comment:135>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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