Commit: b2a549b010160c378f820176058a888b1294479b
Author: Antonio Vazquez
Date:   Sat Apr 7 16:10:49 2018 +0200
Branches: greasepencil-object
https://developer.blender.org/rBb2a549b010160c378f820176058a888b1294479b

Fix memory error for duplicated objects when exit

When duplicate an object, the batch cache was pointing to the original address 
and when close Blender, the pointer was invalid.

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

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

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

diff --git a/source/blender/blenkernel/intern/gpencil.c 
b/source/blender/blenkernel/intern/gpencil.c
index 154306518d5..ccb95e0e15f 100644
--- a/source/blender/blenkernel/intern/gpencil.c
+++ b/source/blender/blenkernel/intern/gpencil.c
@@ -780,6 +780,9 @@ void BKE_gpencil_copy_palette_data(bGPdata *gpd_dst, const 
bGPdata *gpd_src)
  */
 void BKE_gpencil_copy_data(Main *UNUSED(bmain), bGPdata *gpd_dst, const 
bGPdata *gpd_src, const int UNUSED(flag))
 {
+       /* cache data is not duplicated */
+       gpd_dst->batch_cache_data = NULL;
+
        /* copy layers */
        BLI_listbase_clear(&gpd_dst->layers);
        for (const bGPDlayer *gpl_src = gpd_src->layers.first; gpl_src; gpl_src 
= gpl_src->next) {

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