From 12792ee70cd87ce4495a62cb89fd37b95be11917 Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Tue, 15 Dec 2020 18:07:12 +1100 Subject: [PATCH] Fix T83788: Topology mirror crashes for vertices aren't mirrored Caused by da8dc204bd062b2712869cf2709d2530915249b5 --- source/blender/editors/mesh/editmesh_utils.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/source/blender/editors/mesh/editmesh_utils.c b/source/blender/editors/mesh/editmesh_utils.c index 6467df0e87b..94f386e08d5 100644 --- a/source/blender/editors/mesh/editmesh_utils.c +++ b/source/blender/editors/mesh/editmesh_utils.c @@ -1139,8 +1139,10 @@ void EDBM_verts_mirror_cache_begin_ex(BMEditMesh *em, if (use_topology) { v_mirr = cache_mirr_intptr_as_bmvert(mesh_topo_store.index_lookup, i); - if (respecthide && BM_elem_flag_test(v_mirr, BM_ELEM_HIDDEN)) { - v_mirr = NULL; + if (v_mirr != NULL) { + if (respecthide && BM_elem_flag_test(v_mirr, BM_ELEM_HIDDEN)) { + v_mirr = NULL; + } } } else {