[Bf-blender-cvs] [0a95a0852eb] blender-v2.82-release: Fix T69834 Edit Mesh: Multi-object edit crash when an instance is hidden

[Clément Foucault]

Commit: 0a95a0852eb190613f93639a503416158c8cfc4a
Author: Clément Foucault
Date:   Wed Feb 5 17:22:36 2020 +0100
Branches: blender-v2.82-release
https://developer.blender.org/rB0a95a0852eb190613f93639a503416158c8cfc4a

Fix T69834 Edit Mesh: Multi-object edit crash when an instance is hidden

This was caused by a missing tag of the mesh datablock.

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

M	source/blender/editors/object/object_edit.c

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

diff --git a/source/blender/editors/object/object_edit.c b/source/blender/editors/object/object_edit.c
index 8012565ba2e..098a4c65ae0 100644
--- a/source/blender/editors/object/object_edit.c
+++ b/source/blender/editors/object/object_edit.c
@@ -544,6 +544,8 @@ bool ED_object_editmode_exit_ex(Main *bmain, Scene *scene, Object *obedit, int f
     if (UNLIKELY(obedit && obedit->mode & OB_MODE_EDIT)) {
       obedit->mode &= ~OB_MODE_EDIT;
     }
+    /* Also happens when mesh is shared across multiple objects. [#T69834] */
+    DEG_id_tag_update(&obedit->id, ID_RECALC_TRANSFORM | ID_RECALC_GEOMETRY);
     return true;
   }