[Bf-blender-cvs] [40de5742afd] master: Fix: Crash when geometry nodes NURB spline has no evaluated points

[Hans Goudey]

Commit: 40de5742afdc4de303a637d932c08c4556fe3e04
Author: Hans Goudey
Date:   Tue Jul 6 13:12:27 2021 -0500
Branches: master
https://developer.blender.org/rB40de5742afdc4de303a637d932c08c4556fe3e04

Fix: Crash when geometry nodes NURB spline has no evaluated points

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

M	source/blender/blenkernel/intern/spline_nurbs.cc

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

diff --git a/source/blender/blenkernel/intern/spline_nurbs.cc b/source/blender/blenkernel/intern/spline_nurbs.cc
index 76d046337c0..ac6f1bd082c 100644
--- a/source/blender/blenkernel/intern/spline_nurbs.cc
+++ b/source/blender/blenkernel/intern/spline_nurbs.cc
@@ -346,7 +346,10 @@ Span<NURBSpline::BasisCache> NURBSpline::calculate_basis_cache() const
 
   const int size = this->size();
   const int eval_size = this->evaluated_points_size();
-  BLI_assert(this->evaluated_edges_size() > 0);
+  if (eval_size == 0) {
+    return {};
+  }
+
   basis_cache_.resize(eval_size);
 
   const int order = this->order();