Comment 7 for bug 1131165

Reproduced on Debian testing, Inkscape trunk revision 12137.

More or less the same trace as in comment #2 (Ubuntu). Relevant lines:
...
#6 ~valarray (this=0x5c1b1b8, __in_chrg=<optimized out>) at /usr/include/c++/4.7/valarray:705
#7 ~Bezier (this=0x5c1b1b8, __in_chrg=<optimized out>) at ./2geom/bezier.h:116
#8 Geom::D2<Geom::Bezier>::~D2 (this=0x5c1b1b8, __in_chrg=<optimized out>) at ./2geom/d2.h:52
#9 0x000000000048ebe4 in ~BezierCurve (this=0x5c1b1b0, __in_chrg=<optimized out>) at ./2geom/bezier-curve.h:46
#10 ~BezierCurveN (this=0x5c1b1b0, __in_chrg=<optimized out>) at ./2geom/bezier-curve.h:148
#11 Geom::BezierCurveN<1u>::~BezierCurveN (this=0x5c1b1b0, __in_chrg=<optimized out>) at ./2geom/bezier-curve.h:148