[postgis-tickets] [PostGIS] #3107: [sfcgal]crash in straight_skeleton

[PostGIS]

#3107: [sfcgal]crash in straight_skeleton
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 Reporter:  cactusbone  |      Owner:  colivier
     Type:  defect      |     Status:  new
 Priority:  critical    |  Milestone:  PostGIS 2.1.8
Component:  sfcgal      |    Version:  2.1.x
 Keywords:              |
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 I think it's a bug in CGAL but i'm not sure.

 this query :
 {{{#!sql
 select ST_StraightSkeleton(ST_GeomFromText('POLYGON((1347259.25
 7184745.94,1347273.17 7184758.16,1347280.39 7184749.95,1347278.04
 7184747.88,1347281.66 7184743.76,1347284.01 7184745.83,1347293.5
 7184735.05,1347279.61 7184722.85,1347269.29 7184734.6,1347270.35
 7184735.51,1347267.31 7184738.96,1347266.22 7184738.01,1347259.25
 7184745.94),(1347267.31 7184738.96,1347269.31 7184736.7,1347272.57
 7184739.55,1347270.56 7184741.83,1347267.31 7184738.96))'))
 }}}
 makes postgresql crash
 I'm using postgresql 9.4 with PostGIS 2.1.7 and sfcgal 1.1.0 with cgal 4.6

 server process (PID 2621) was terminated by signal 11: Segmentation fault

 I've opened it in github too :
 https://github.com/Oslandia/SFCGAL/issues/75

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Ticket URL: <http://trac.osgeo.org/postgis/ticket/3107>
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