Index: source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h
===================================================================
--- source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h
+++ source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.h
@@ -164,8 +164,8 @@
 protected:
   SymbolFileDWARF *m_dwarf2Data;
   std::unique_ptr<SymbolFileDWARFDwo> m_dwo_symbol_file;
-  const DWARFAbbreviationDeclarationSet *m_abbrevs;
-  void *m_user_data;
+  const DWARFAbbreviationDeclarationSet *m_abbrevs = nullptr;
+  void *m_user_data = nullptr;
   DWARFDebugInfoEntry::collection
       m_die_array; // The compile unit debug information entry item
   std::unique_ptr<DWARFDebugAranges> m_func_aranges_ap; // A table similar to
@@ -174,23 +174,23 @@
                                                         // points to the exact
                                                         // DW_TAG_subprogram
                                                         // DIEs
-  dw_addr_t m_base_addr;
-  dw_offset_t m_offset;
-  dw_offset_t m_length;
-  uint16_t m_version;
-  uint8_t m_addr_size;
-  Producer m_producer;
-  uint32_t m_producer_version_major;
-  uint32_t m_producer_version_minor;
-  uint32_t m_producer_version_update;
-  lldb::LanguageType m_language_type;
-  bool m_is_dwarf64;
-  lldb_private::LazyBool m_is_optimized;
-  dw_addr_t m_addr_base;         // Value of DW_AT_addr_base
-  dw_addr_t m_ranges_base;       // Value of DW_AT_ranges_base
-  dw_offset_t m_base_obj_offset; // If this is a dwo compile unit this is the
-                                 // offset of the base compile unit in the main
-                                 // object file
+  dw_addr_t m_base_addr = 0;
+  dw_offset_t m_offset = DW_INVALID_OFFSET;
+  dw_offset_t m_length = 0;
+  uint16_t m_version = 0;
+  uint8_t m_addr_size = GetDefaultAddressSize();
+  Producer m_producer = eProducerInvalid;
+  uint32_t m_producer_version_major = 0;
+  uint32_t m_producer_version_minor = 0;
+  uint32_t m_producer_version_update = 0;
+  lldb::LanguageType m_language_type = lldb::eLanguageTypeUnknown;
+  bool m_is_dwarf64 = false;
+  lldb_private::LazyBool m_is_optimized = lldb_private::eLazyBoolCalculate;
+  dw_addr_t m_addr_base = 0;     // Value of DW_AT_addr_base
+  dw_addr_t m_ranges_base = 0;   // Value of DW_AT_ranges_base
+  // If this is a dwo compile unit this is the offset of the base compile unit
+  // in the main object file
+  dw_offset_t m_base_obj_offset = DW_INVALID_OFFSET;
 
   void ParseProducerInfo();
 
Index: source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
===================================================================
--- source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
+++ source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
@@ -39,34 +39,14 @@
 extern int g_verbose;
 
 DWARFCompileUnit::DWARFCompileUnit(SymbolFileDWARF *dwarf2Data)
-    : m_dwarf2Data(dwarf2Data), m_abbrevs(NULL), m_user_data(NULL),
-      m_die_array(), m_func_aranges_ap(), m_base_addr(0),
-      m_offset(DW_INVALID_OFFSET), m_length(0), m_version(0),
-      m_addr_size(DWARFCompileUnit::GetDefaultAddressSize()),
-      m_producer(eProducerInvalid), m_producer_version_major(0),
-      m_producer_version_minor(0), m_producer_version_update(0),
-      m_language_type(eLanguageTypeUnknown), m_is_dwarf64(false),
-      m_is_optimized(eLazyBoolCalculate), m_addr_base(0),
-      m_ranges_base(0), m_base_obj_offset(DW_INVALID_OFFSET) {}
+    : m_dwarf2Data(dwarf2Data) {}
 
 DWARFCompileUnit::~DWARFCompileUnit() {}
 
 void DWARFCompileUnit::Clear() {
-  m_offset = DW_INVALID_OFFSET;
-  m_length = 0;
-  m_version = 0;
-  m_abbrevs = NULL;
-  m_addr_size = DWARFCompileUnit::GetDefaultAddressSize();
-  m_base_addr = 0;
-  m_die_array.clear();
-  m_func_aranges_ap.reset();
-  m_user_data = NULL;
-  m_producer = eProducerInvalid;
-  m_language_type = eLanguageTypeUnknown;
-  m_is_dwarf64 = false;
-  m_is_optimized = eLazyBoolCalculate;
-  m_addr_base = 0;
-  m_base_obj_offset = DW_INVALID_OFFSET;
+  SymbolFileDWARF *dwarf2Data = m_dwarf2Data;
+  this->~DWARFCompileUnit();
+  new (this) DWARFCompileUnit(dwarf2Data);
 }
 
 bool DWARFCompileUnit::Extract(const DWARFDataExtractor &debug_info,