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Fix T63787: Knife intersect crashes

This commit is contained in:
Campbell Barton 2020-04-24 12:03:40 +10:00
parent 9667f89e82
commit d428cca124
Notes: blender-bot 2023-02-14 02:57:10 +01:00 
Referenced by issue #63787, Intersect Knife: Segmentation fault or incorrect behavior
1 changed files with 7 additions and 0 deletions
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7
source/blender/bmesh/tools/bmesh_intersect.c
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@ -1258,6 +1258,13 @@ bool BM_mesh_intersect(BMesh *bm,
continue;
}
/* It's possible the vertex to dissolve is an edge on an existing face
* that doesn't divide the face, therefor the edges are not wire
* and shouldn't be handled here, see: T63787. */
if (!BLI_gset_haskey(s.wire_edges, e_pair[0]) || !BLI_gset_haskey(s.wire_edges, e_pair[1])) {
continue;
}
v_a = BM_edge_other_vert(e_pair[0], v);
v_b = BM_edge_other_vert(e_pair[1], v);