From 07410567c087a877ac8af25cd85c0100123d4a63 Mon Sep 17 00:00:00 2001
From: Nicky <none@none>
Date: Mon, 22 Oct 2012 21:39:48 +0200
Subject: LLDrawable::destroy: Illegal deletion of LLDrawable!

---
 indra/newview/pipeline.cpp | 2 ++
 indra/newview/pipeline.h   | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 678898797f..91dd441319 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -2011,6 +2011,7 @@ void LLPipeline::grabReferences(LLCullResult& result)
 void LLPipeline::clearReferences()
 {
 	sCull = NULL;
+	mGroupSaveQ1.clear();
 }
 
 void check_references(LLSpatialGroup* group, LLDrawable* drawable)
@@ -2619,6 +2620,7 @@ void LLPipeline::rebuildPriorityGroups()
 		group->clearState(LLSpatialGroup::IN_BUILD_Q1);
 	}
 
+	mGroupSaveQ1 = mGroupQ1;
 	mGroupQ1.clear();
 	mGroupQ1Locked = false;
 
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index fd2a1e06cd..7a0ca86231 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -668,6 +668,8 @@ protected:
 	LLSpatialGroup::sg_vector_t		mGroupQ1; //priority
 	LLSpatialGroup::sg_vector_t		mGroupQ2; // non-priority
 
+	LLSpatialGroup::sg_vector_t		mGroupSaveQ1; // a place to save mGroupQ1 until it is safe to unref
+
 	LLSpatialGroup::sg_vector_t		mMeshDirtyGroup; //groups that need rebuildMesh called
 	U32 mMeshDirtyQueryObject;
 
-- 
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