[Bf-blender-cvs] [ef5d0a927e1] master: Fix T66516: WPaint crash selecting bone with wire & face-mask

[Campbell Barton]

Commit: ef5d0a927e11f3b6e64063033e64d4e808f3815e
Author: Campbell Barton
Date:   Tue Jul 9 15:13:58 2019 +1000
Branches: master
https://developer.blender.org/rBef5d0a927e11f3b6e64063033e64d4e808f3815e

Fix T66516: WPaint crash selecting bone with wire & face-mask

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

M	source/blender/draw/intern/draw_cache_impl_mesh.c

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

diff --git a/source/blender/draw/intern/draw_cache_impl_mesh.c b/source/blender/draw/intern/draw_cache_impl_mesh.c
index f23eb97698c..562e03ec9d7 100644
--- a/source/blender/draw/intern/draw_cache_impl_mesh.c
+++ b/source/blender/draw/intern/draw_cache_impl_mesh.c
@@ -2295,6 +2295,7 @@ void DRW_mesh_batch_cache_dirty_tag(Mesh *me, int mode)
       GPU_VERTBUF_DISCARD_SAFE(cache->ordered.loop_pos_nor);
       GPU_BATCH_DISCARD_SAFE(cache->batch.surface);
       GPU_BATCH_DISCARD_SAFE(cache->batch.wire_loops);
+      GPU_BATCH_DISCARD_SAFE(cache->batch.wire_edges);
       if (cache->surf_per_mat) {
         for (int i = 0; i < cache->mat_len; i++) {
           GPU_BATCH_DISCARD_SAFE(cache->surf_per_mat[i]);