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-rw-r--r--indra/llmath/llvolume.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index 3c1de3a422..53f73d8637 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -6010,6 +6010,11 @@ void LLVolumeFace::cacheOptimize()
LLVCacheLRU cache;
+ if (mNumVertices < 3)
+ { //nothing to do
+ return;
+ }
+
//mapping of vertices to triangles and indices
std::vector<LLVCacheVertexData> vertex_data;