Commit: 3cf39fc72a36bab1c5b82ae96cffe7dd01ce7260
Author: Bastien Montagne
Date: Mon Apr 14 23:42:38 2014 +0200
https://developer.blender.org/rB3cf39fc72a36bab1c5b82ae96cffe7dd01ce7260
Fix T39740: New Autosmooth instant crash entering Edit Mode
One should always be wary of last minute changes, especially in comples code
area... :/
===================================================================
M source/blender/bmesh/intern/bmesh_mesh.c
===================================================================
diff --git a/source/blender/bmesh/intern/bmesh_mesh.c
b/source/blender/bmesh/intern/bmesh_mesh.c
index bad365a..ee7dc81 100644
--- a/source/blender/bmesh/intern/bmesh_mesh.c
+++ b/source/blender/bmesh/intern/bmesh_mesh.c
@@ -570,7 +570,13 @@ static void bm_mesh_loops_calc_normals(BMesh *bm, const
float (*vcos)[3], const
while (true) {
/* Much simpler than in sibling code
with basic Mesh data! */
lfan_pivot_next =
BM_vert_step_fan_loop(lfan_pivot, &e_next);
- BLI_assert(lfan_pivot_next->v ==
v_pivot);
+ if (lfan_pivot_next) {
+ BLI_assert(lfan_pivot_next->v
== v_pivot);
+ }
+ else {
+ /* next edge is non-manifold,
we have to find it ourselves! */
+ e_next = (lfan_pivot->e ==
e_next) ? lfan_pivot->prev->e : lfan_pivot->e;
+ }
/* Compute edge vector.
* NOTE: We could pre-compute those
into an array, in the first iteration, instead of computing them
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