Merge branch 'master' into DRTVWR-539

# Conflicts:
#	autobuild.xml
#	doc/contributions.txt
#	indra/cmake/GLOD.cmake
#	indra/llcommon/tests/llprocess_test.cpp
#	indra/newview/VIEWER_VERSION.txt
#	indra/newview/lldrawpoolavatar.cpp
#	indra/newview/llfloatermodelpreview.cpp
#	indra/newview/llmodelpreview.cpp
#	indra/newview/llviewertexturelist.cpp
#	indra/newview/llvovolume.cpp
#	indra/newview/viewer_manifest.py

1 files changed, 8 insertions, 5 deletions

diff --git a/indra/llui/lltextbase.cpp b/indra/llui/lltextbase.cpp
index 2827888b53..0dc99fdde6 100644
--- a/indra/llui/lltextbase.cpp
+++ b/indra/llui/lltextbase.cpp
@@ -1562,11 +1562,14 @@ void LLTextBase::reflow()
 		{
 			// find first element whose end comes after start_index
 			line_list_t::iterator iter = std::upper_bound(mLineInfoList.begin(), mLineInfoList.end(), start_index, line_end_compare());
-			line_start_index = iter->mDocIndexStart;
-			line_count = iter->mLineNum;
-			cur_top = iter->mRect.mTop;
-			getSegmentAndOffset(iter->mDocIndexStart, &seg_iter, &seg_offset);
-			mLineInfoList.erase(iter, mLineInfoList.end());
+            if (iter != mLineInfoList.end())
+            {
+                line_start_index = iter->mDocIndexStart;
+                line_count = iter->mLineNum;
+                cur_top = iter->mRect.mTop;
+                getSegmentAndOffset(iter->mDocIndexStart, &seg_iter, &seg_offset);
+                mLineInfoList.erase(iter, mLineInfoList.end());
+            }
 		}
 
 		S32 line_height = 0;