Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
@@ -1065,8 +1065,9 @@
 
   DWARFRangeList ranges;
   for (const llvm::DWARFAddressRange &llvm_range : *llvm_ranges) {
-    ranges.Append(DWARFRangeList::Entry(llvm_range.LowPC,
-                                        llvm_range.HighPC - llvm_range.LowPC));
+    if (llvm_range.HighPC - llvm_range.LowPC > 0)
+      ranges.Append(DWARFRangeList::Entry(llvm_range.LowPC,
+                                          llvm_range.HighPC - llvm_range.LowPC));
   }
   return ranges;
 }
Index: lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -1314,10 +1314,11 @@
         for (size_t i = 0; i < num_ranges; ++i) {
           const DWARFRangeList::Entry &range = ranges.GetEntryRef(i);
           const addr_t range_base = range.GetRangeBase();
-          if (range_base >= subprogram_low_pc)
-            block->AddRange(Block::Range(range_base - subprogram_low_pc,
+          if (range_base >= subprogram_low_pc) {
+            if (range.IsValid())
+              block->AddRange(Block::Range(range_base - subprogram_low_pc,
                                          range.GetByteSize()));
-          else {
+          } else {
             GetObjectFile()->GetModule()->ReportError(
                 "{0:x8}: adding range [{1:x16}-{2:x16}) which has a base "
                 "that is less than the function's low PC {3:x16}. Please file "