Index: lldb/include/lldb/Symbol/Type.h
===================================================================
--- lldb/include/lldb/Symbol/Type.h
+++ lldb/include/lldb/Symbol/Type.h
@@ -89,6 +89,9 @@
     eEncodingIsRValueReferenceUID,
     /// This type is the type whose UID is m_encoding_uid as an atomic type.
     eEncodingIsAtomicUID,
+    /// This type is the type whose UID is m_encoding_uid with the immutable
+    /// qualifier added.
+    eEncodingIsImmutableUID,
     /// This type is the synthetic type whose UID is m_encoding_uid.
     eEncodingIsSyntheticUID
   };
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp
@@ -496,6 +496,7 @@
   case DW_TAG_reference_type:
   case DW_TAG_rvalue_reference_type:
   case DW_TAG_const_type:
+  case DW_TAG_immutable_type:
   case DW_TAG_restrict_type:
   case DW_TAG_volatile_type:
   case DW_TAG_atomic_type:
@@ -646,6 +647,9 @@
   case DW_TAG_const_type:
     encoding_data_type = Type::eEncodingIsConstUID;
     break;
+  case DW_TAG_immutable_type:
+    encoding_data_type = Type::eEncodingIsImmutableUID;
+    break;
   case DW_TAG_restrict_type:
     encoding_data_type = Type::eEncodingIsRestrictUID;
     break;
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFDIE.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFDIE.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFDIE.cpp
@@ -268,6 +268,9 @@
   case DW_TAG_const_type:
     s.PutCString("const ");
     break;
+  case DW_TAG_immutable_type:
+    s.PutCString("immutable ");
+    break;
   case DW_TAG_enumeration_type:
     s.PutCString("enum ");
     break;