Index: llvm/tools/llvm-dwarfdump/Statistics.cpp
===================================================================
--- llvm/tools/llvm-dwarfdump/Statistics.cpp
+++ llvm/tools/llvm-dwarfdump/Statistics.cpp
@@ -448,6 +448,10 @@
                                   InlinedVarsTyMap &GlobalInlinedFnInfo,
                                   InlinedFnInstacesTy &InlinedFnsToBeProcessed,
                                   InlinedVarsTy *InlinedVarsPtr = nullptr) {
+  // Skip NULL nodes.
+  if (Die.isNULL())
+    return;
+
   const dwarf::Tag Tag = Die.getTag();
   // Skip function types.
   if (Tag == dwarf::DW_TAG_subroutine_type)
@@ -537,7 +541,7 @@
       else if (IsInlinedFunction && InlineDepth == 0)
         GlobalStats.InlineFunctionSize += BytesInThisScope;
     }
-  } else {
+  } else if (Tag != dwarf::DW_TAG_compile_unit) {
     // Not a scope, visit the Die itself. It could be a variable.
     collectStatsForDie(Die, FnPrefix, VarPrefix, BytesInScope, InlineDepth,
                        FnStatMap, GlobalStats, LocStats, InlinedVarsPtr);