[Bf-blender-cvs] [76a3ff70d59] master: Fix T89979: Assert in edit mode with curve to mesh node

[Hans Goudey]

Commit: 76a3ff70d599a54203888dd7131b0d48da0107d6
Author: Hans Goudey
Date:   Tue Jul 20 09:37:40 2021 -0400
Branches: master
https://developer.blender.org/rB76a3ff70d599a54203888dd7131b0d48da0107d6

Fix T89979: Assert in edit mode with curve to mesh node

The node tagged polys normals dirty,  but the function to calculate the
normals didn't clear the dirty flags for polys. Now clear the poly and
corner dirty normal flags.

===================================================================

M	source/blender/blenkernel/intern/mesh.c

===================================================================

diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index b463d903303..8d74002ad79 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -1874,6 +1874,8 @@ void BKE_mesh_calc_normals_split_ex(Mesh *mesh, MLoopNorSpaceArray *r_lnors_spac
   }
 
   mesh->runtime.cd_dirty_vert &= ~CD_MASK_NORMAL;
+  mesh->runtime.cd_dirty_poly &= ~CD_MASK_NORMAL;
+  mesh->runtime.cd_dirty_loop &= ~CD_MASK_NORMAL;
 }
 
 void BKE_mesh_calc_normals_split(Mesh *mesh)