Second part of r244470 (source file was unsaved in editor).

llvm-svn: 244471
diff --git a/llvm/tools/dsymutil/DwarfLinker.cpp b/llvm/tools/dsymutil/DwarfLinker.cpp
index 997808d..4231b14 100644
--- a/llvm/tools/dsymutil/DwarfLinker.cpp
+++ b/llvm/tools/dsymutil/DwarfLinker.cpp
@@ -2885,11 +2885,11 @@
         // Insert end sequence row with the computed end address, but
         // the same line as the previous one.
         auto NextLine = Seq.back();
-        Seq.back().Address = StopAddress;
-        Seq.back().EndSequence = 1;
-        Seq.back().PrologueEnd = 0;
-        Seq.back().BasicBlock = 0;
-        Seq.back().EpilogueBegin = 0;
+        NextLine.Address = StopAddress;
+        NextLine.EndSequence = 1;
+        NextLine.PrologueEnd = 0;
+        NextLine.BasicBlock = 0;
+        NextLine.EpilogueBegin = 0;
         Seq.push_back(NextLine);
         insertLineSequence(Seq, NewRows);
       }