[Bf-blender-cvs] [5a13f682ee5] master: Fix T77559 Avoid wrong ob->imat leading to several bugs

[Clément Foucault]

Commit: 5a13f682ee5f55717c2fbc35371cd5bf58829b88
Author: Clément Foucault
Date:   Fri Jul 3 00:20:21 2020 +0200
Branches: master
https://developer.blender.org/rB5a13f682ee5f55717c2fbc35371cd5bf58829b88

Fix T77559 Avoid wrong ob->imat leading to several bugs

This fixes T77559 Scale to zero in object mode unable to select

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

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

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

diff --git a/source/blender/blenkernel/intern/object_update.c b/source/blender/blenkernel/intern/object_update.c
index d8c3e0bf714..7f378e6e80b 100644
--- a/source/blender/blenkernel/intern/object_update.c
+++ b/source/blender/blenkernel/intern/object_update.c
@@ -145,7 +145,7 @@ void BKE_object_eval_transform_final(Depsgraph *depsgraph, Object *ob)
   DEG_debug_print_eval(depsgraph, __func__, ob->id.name, ob);
   /* Make sure inverse matrix is always up to date. This way users of it
    * do not need to worry about recalculating it. */
-  invert_m4_m4(ob->imat, ob->obmat);
+  invert_m4_m4_safe(ob->imat, ob->obmat);
   /* Set negative scale flag in object. */
   if (is_negative_m4(ob->obmat)) {
     ob->transflag |= OB_NEG_SCALE;