fix [#33029] Applying modifier leaks memory

Thanks for Sergey for finding the bug & patching, This fix works a bit differently.
Theres no need to allocate the customdata in the first place - since its written into. So add a flag for vert/edge/face/loop creation functions so they can skip customdata creation.

1 files changed, 2 insertions, 2 deletions

diff --git a/source/blender/bmesh/intern/bmesh_construct.h b/source/blender/bmesh/intern/bmesh_construct.h
index 29b84046884..60c465e5f5a 100644
--- a/source/blender/bmesh/intern/bmesh_construct.h
+++ b/source/blender/bmesh/intern/bmesh_construct.h
@@ -36,9 +36,9 @@ BMFace *BM_face_create_quad_tri(BMesh *bm, BMVert *v1, BMVert *v2, BMVert *v3, B
 
 void BM_face_copy_shared(BMesh *bm, BMFace *f);
 
-BMFace *BM_face_create_ngon(BMesh *bm, BMVert *v1, BMVert *v2, BMEdge **edges, int len, int nodouble);
+BMFace *BM_face_create_ngon(BMesh *bm, BMVert *v1, BMVert *v2, BMEdge **edges, int len, const int create_flag);
 
-BMFace *BM_face_create_ngon_vcloud(BMesh *bm, BMVert **vert_arr, int len, int nodouble);
+BMFace *BM_face_create_ngon_vcloud(BMesh *bm, BMVert **vert_arr, int len, const int create_flag);
 
 void BMO_remove_tagged_faces(BMesh *bm, const short oflag);
 void BMO_remove_tagged_edges(BMesh *bm, const short oflag);