diff --git a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
--- a/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp
@@ -155,7 +155,8 @@
 
   if (Tag != dwarf::DW_TAG_member && Tag != dwarf::DW_TAG_typedef &&
       Tag != dwarf::DW_TAG_const_type && Tag != dwarf::DW_TAG_volatile_type &&
-      Tag != dwarf::DW_TAG_restrict_type && Tag != dwarf::DW_TAG_atomic_type)
+      Tag != dwarf::DW_TAG_restrict_type && Tag != dwarf::DW_TAG_atomic_type &&
+      Tag != dwarf::DW_TAG_immutable_type)
     return DDTy->getSizeInBits();
 
   DIType *BaseType = DDTy->getBaseType();
@@ -210,7 +211,9 @@
       return true;
     assert(T == dwarf::DW_TAG_typedef || T == dwarf::DW_TAG_const_type ||
            T == dwarf::DW_TAG_volatile_type ||
-           T == dwarf::DW_TAG_restrict_type || T == dwarf::DW_TAG_atomic_type);
+           T == dwarf::DW_TAG_restrict_type ||
+           T == dwarf::DW_TAG_atomic_type ||
+           T == dwarf::DW_TAG_immutable_type);
     assert(DTy->getBaseType() && "Expected valid base type");
     return isUnsignedDIType(DTy->getBaseType());
   }
diff --git a/llvm/lib/DWARFLinker/DWARFLinker.cpp b/llvm/lib/DWARFLinker/DWARFLinker.cpp
--- a/llvm/lib/DWARFLinker/DWARFLinker.cpp
+++ b/llvm/lib/DWARFLinker/DWARFLinker.cpp
@@ -124,6 +124,7 @@
   case dwarf::DW_TAG_interface_type:
   case dwarf::DW_TAG_unspecified_type:
   case dwarf::DW_TAG_shared_type:
+  case dwarf::DW_TAG_immutable_type:
     return true;
   default:
     break;
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
--- a/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
@@ -1107,6 +1107,7 @@
     return PointerSize;
   }
   case DW_TAG_const_type:
+  case DW_TAG_immutable_type:
   case DW_TAG_volatile_type:
   case DW_TAG_restrict_type:
   case DW_TAG_typedef: {
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp b/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
--- a/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
+++ b/llvm/lib/DebugInfo/DWARF/DWARFDie.cpp
@@ -355,6 +355,7 @@
     case DW_TAG_structure_type:
     case DW_TAG_class_type:
     case DW_TAG_enumeration_type:
+    case DW_TAG_immutable_type:
     case DW_TAG_base_type:
     case DW_TAG_namespace:
     */
diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -1069,6 +1069,7 @@
                N.getTag() == dwarf::DW_TAG_reference_type ||
                N.getTag() == dwarf::DW_TAG_rvalue_reference_type ||
                N.getTag() == dwarf::DW_TAG_const_type ||
+               N.getTag() == dwarf::DW_TAG_immutable_type ||
                N.getTag() == dwarf::DW_TAG_volatile_type ||
                N.getTag() == dwarf::DW_TAG_restrict_type ||
                N.getTag() == dwarf::DW_TAG_atomic_type ||