[llvm] r185492 - Add a helpful comment.

[Eric Christopher]

Author: echristo
Date: Tue Jul  2 20:22:29 2013
New Revision: 185492

URL: http://llvm.org/viewvc/llvm-project?rev=185492&view=rev
Log:
Add a helpful comment.

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=185492&r1=185491&r2=185492&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Tue Jul  2 20:22:29 2013
@@ -456,6 +456,8 @@ DIE *DwarfDebug::constructLexicalScopeDI
       DebugRangeSymbols.push_back(getLabelBeforeInsn(RI->first));
       DebugRangeSymbols.push_back(getLabelAfterInsn(RI->second));
     }
+
+    // Terminate the range list.
     DebugRangeSymbols.push_back(NULL);
     DebugRangeSymbols.push_back(NULL);
     return ScopeDIE;