Add DEBUG message.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134643 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 99d27e4..5acef7a 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -1428,6 +1428,8 @@
         SLabel = FunctionEndSym;
       else {
         const MachineInstr *End = HI[1];
+        DEBUG(dbgs() << "DotDebugLoc Pair:\n" 
+              << "\t" << *Begin << "\t" << *End << "\n");
         if (End->isDebugValue())
           SLabel = getLabelBeforeInsn(End);
         else {