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Issue #2880: SIGSEGV after undo an arc deletion
authorazv <azv@opencascade.com>
Thu, 28 Feb 2019 09:51:35 +0000 (12:51 +0300)
committerazv <azv@opencascade.com>
Thu, 28 Feb 2019 09:51:35 +0000 (12:51 +0300)
commit13bf3ed561d8d6b91406b44fd6407cd4257741c9
treeaf0dcafa2f11617126367ed46ec138ed7573cc8f
parente09c28fa209e3bcca25543e8f6341d77aaf749d8
Issue #2880: SIGSEGV after undo an arc deletion

Avoid crash while getting the position of tangency presentation.
src/SketcherPrs/SketcherPrs_PositionMgr.cpp