[Bf-blender-cvs] [595c753e922] temp-modifiers-instancing: Fix T82616: crash when using vector math node

[Jacques Lucke]

Commit: 595c753e9227668941d1f691b55d231cce11a274
Author: Jacques Lucke
Date:   Wed Nov 11 18:03:04 2020 +0100
Branches: temp-modifiers-instancing
https://developer.blender.org/rB595c753e9227668941d1f691b55d231cce11a274

Fix T82616: crash when using vector math node

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M	source/blender/modifiers/intern/MOD_nodes.cc

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diff --git a/source/blender/modifiers/intern/MOD_nodes.cc b/source/blender/modifiers/intern/MOD_nodes.cc
index f5f67ee222f..ce5d2984735 100644
--- a/source/blender/modifiers/intern/MOD_nodes.cc
+++ b/source/blender/modifiers/intern/MOD_nodes.cc
@@ -298,9 +298,11 @@ class GeometryNodesEvaluator {
       value.destruct();
     }
     for (const int i : node.outputs().index_range()) {
-      GMutablePointer value = output_data[i];
-      node_outputs.set_by_move(node.output(i).identifier(), value);
-      value.destruct();
+      if (node.output(i).is_available()) {
+        GMutablePointer value = output_data[i];
+        node_outputs.set_by_move(node.output(i).identifier(), value);
+        value.destruct();
+      }
     }
   }