diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h
@@ -20,6 +20,10 @@
 
   static bool classof(const DWARFUnit *unit) { return !unit->IsTypeUnit(); }
 
+  DWARFCompileUnit &GetNonSkeletonUnit();
+
+  DWARFDIE LookupAddress(const dw_addr_t address);
+
 private:
   DWARFCompileUnit(SymbolFileDWARF &dwarf, lldb::user_id_t uid,
                    const DWARFUnitHeader &header,
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
@@ -99,3 +99,18 @@
     }
   }
 }
+
+DWARFCompileUnit &DWARFCompileUnit::GetNonSkeletonUnit() {
+  return llvm::cast<DWARFCompileUnit>(DWARFUnit::GetNonSkeletonUnit());
+}
+
+DWARFDIE DWARFCompileUnit::LookupAddress(const dw_addr_t address) {
+  if (DIE()) {
+    const DWARFDebugAranges &func_aranges = GetFunctionAranges();
+
+    // Re-check the aranges auto pointer contents in case it was created above
+    if (!func_aranges.IsEmpty())
+      return GetDIE(func_aranges.FindAddress(address));
+  }
+  return DWARFDIE();
+}
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.h b/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.h
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.h
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.h
@@ -105,7 +105,6 @@
   };
   ScopedExtractDIEs ExtractDIEsScoped();
 
-  DWARFDIE LookupAddress(const dw_addr_t address);
   bool Verify(lldb_private::Stream *s) const;
   virtual void Dump(lldb_private::Stream *s) const = 0;
   /// Get the data that contains the DIE information for this unit.
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
--- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
@@ -392,17 +392,6 @@
   m_dwo = std::shared_ptr<DWARFUnit>(std::move(dwo_symbol_file), dwo_cu);
 }
 
-DWARFDIE DWARFUnit::LookupAddress(const dw_addr_t address) {
-  if (DIE()) {
-    const DWARFDebugAranges &func_aranges = GetFunctionAranges();
-
-    // Re-check the aranges auto pointer contents in case it was created above
-    if (!func_aranges.IsEmpty())
-      return GetDIE(func_aranges.FindAddress(address));
-  }
-  return DWARFDIE();
-}
-
 size_t DWARFUnit::GetDebugInfoSize() const {
   return GetLengthByteSize() + GetLength() - GetHeaderByteSize();
 }
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -1811,7 +1811,8 @@
                                               bool lookup_block,
                                               SymbolContext &sc) {
   assert(sc.comp_unit);
-  DWARFUnit &cu = GetDWARFCompileUnit(sc.comp_unit)->GetNonSkeletonUnit();
+  DWARFCompileUnit &cu =
+      GetDWARFCompileUnit(sc.comp_unit)->GetNonSkeletonUnit();
   DWARFDIE function_die = cu.LookupAddress(file_vm_addr);
   DWARFDIE block_die;
   if (function_die) {