Index: lldb/include/lldb/lldb-enumerations.h
===================================================================
--- lldb/include/lldb/lldb-enumerations.h
+++ lldb/include/lldb/lldb-enumerations.h
@@ -749,6 +749,7 @@
   eBasicTypeUnsignedWChar,
   eBasicTypeChar16,
   eBasicTypeChar32,
+  eBasicTypeChar8,
   eBasicTypeShort,
   eBasicTypeUnsignedShort,
   eBasicTypeInt,
Index: lldb/source/Plugins/SymbolFile/NativePDB/PdbUtil.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/NativePDB/PdbUtil.cpp
+++ lldb/source/Plugins/SymbolFile/NativePDB/PdbUtil.cpp
@@ -704,6 +704,8 @@
     return lldb::eBasicTypeChar16;
   case SimpleTypeKind::Character32:
     return lldb::eBasicTypeChar32;
+  case SimpleTypeKind::Character8:
+    return lldb::eBasicTypeChar8;
   case SimpleTypeKind::Complex80:
     return lldb::eBasicTypeLongDoubleComplex;
   case SimpleTypeKind::Complex64:
@@ -796,6 +798,7 @@
   case SimpleTypeKind::NarrowCharacter:
   case SimpleTypeKind::SignedCharacter:
   case SimpleTypeKind::SByte:
+  case SimpleTypeKind::Character8:
     return 1;
   case SimpleTypeKind::Void:
   default:
Index: lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
+++ lldb/source/Plugins/SymbolFile/NativePDB/SymbolFileNativePDB.cpp
@@ -173,6 +173,8 @@
     return "char16_t";
   case SimpleTypeKind::Character32:
     return "char32_t";
+  case SimpleTypeKind::Character8:
+    return "char8_t";
   case SimpleTypeKind::Complex80:
   case SimpleTypeKind::Complex64:
   case SimpleTypeKind::Complex32:
Index: llvm/docs/PDB/TpiStream.rst
===================================================================
--- llvm/docs/PDB/TpiStream.rst
+++ llvm/docs/PDB/TpiStream.rst
@@ -131,6 +131,7 @@
     WideCharacter = 0x0071,     // wide char
     Character16 = 0x007a,       // char16_t
     Character32 = 0x007b,       // char32_t
+    Character8 = 0x007c,       // char8_t
 
     SByte = 0x0068,       // 8 bit signed int
     Byte = 0x0069,        // 8 bit unsigned int
Index: llvm/include/llvm/DebugInfo/CodeView/TypeIndex.h
===================================================================
--- llvm/include/llvm/DebugInfo/CodeView/TypeIndex.h
+++ llvm/include/llvm/DebugInfo/CodeView/TypeIndex.h
@@ -35,6 +35,7 @@
   WideCharacter = 0x0071,     // wide char
   Character16 = 0x007a,       // char16_t
   Character32 = 0x007b,       // char32_t
+  Character8 = 0x007c,       // char8_t
 
   SByte = 0x0068,       // 8 bit signed int
   Byte = 0x0069,        // 8 bit unsigned int
Index: llvm/include/llvm/DebugInfo/PDB/PDBTypes.h
===================================================================
--- llvm/include/llvm/DebugInfo/PDB/PDBTypes.h
+++ llvm/include/llvm/DebugInfo/PDB/PDBTypes.h
@@ -352,7 +352,8 @@
   BSTR = 30,
   HResult = 31,
   Char16 = 32,
-  Char32 = 33
+  Char32 = 33,
+  Char8  = 34,
 };
 
 /// These values correspond to the flags that can be combined to control the
Index: llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
===================================================================
--- llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -1826,6 +1826,7 @@
     break;
   case dwarf::DW_ATE_UTF:
     switch (ByteSize) {
+    case 1: STK = SimpleTypeKind::Character8; break;
     case 2: STK = SimpleTypeKind::Character16; break;
     case 4: STK = SimpleTypeKind::Character32; break;
     }
Index: llvm/lib/DebugInfo/CodeView/TypeIndex.cpp
===================================================================
--- llvm/lib/DebugInfo/CodeView/TypeIndex.cpp
+++ llvm/lib/DebugInfo/CodeView/TypeIndex.cpp
@@ -33,6 +33,7 @@
     {"wchar_t*", SimpleTypeKind::WideCharacter},
     {"char16_t*", SimpleTypeKind::Character16},
     {"char32_t*", SimpleTypeKind::Character32},
+    {"char8_t*", SimpleTypeKind::Character8},
     {"__int8*", SimpleTypeKind::SByte},
     {"unsigned __int8*", SimpleTypeKind::Byte},
     {"short*", SimpleTypeKind::Int16Short},
Index: llvm/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp
===================================================================
--- llvm/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp
+++ llvm/lib/DebugInfo/PDB/Native/NativeTypeEnum.cpp
@@ -205,6 +205,8 @@
     return PDB_BuiltinType::Char16;
   case SimpleTypeKind::Character32:
     return PDB_BuiltinType::Char32;
+  case SimpleTypeKind::Character8:
+    return PDB_BuiltinType::Char8;
   case SimpleTypeKind::Int128:
   case SimpleTypeKind::Int128Oct:
   case SimpleTypeKind::Int16:
Index: llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp
===================================================================
--- llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp
+++ llvm/lib/DebugInfo/PDB/Native/SymbolCache.cpp
@@ -67,6 +67,7 @@
     {codeview::SimpleTypeKind::WideCharacter, PDB_BuiltinType::WCharT, 2},
     {codeview::SimpleTypeKind::Character16, PDB_BuiltinType::Char16, 2},
     {codeview::SimpleTypeKind::Character32, PDB_BuiltinType::Char32, 4},
+    {codeview::SimpleTypeKind::Character8, PDB_BuiltinType::Char8, 1},
     {codeview::SimpleTypeKind::SignedCharacter, PDB_BuiltinType::Char, 1},
     {codeview::SimpleTypeKind::UnsignedCharacter, PDB_BuiltinType::UInt, 1},
     {codeview::SimpleTypeKind::Float32, PDB_BuiltinType::Float, 4},