[SymbolFilePDB] Add missing Char16 and Char32 types in a few places

[clayborg]

Test?

[asmith]

Add test

[zturner]

Lgtm

source/Plugins/SymbolFile/PDB/PDBASTParser.cpp

 
 lldb::Encoding TranslateBuiltinEncoding(PDB_BuiltinType type) {
   switch (type) {
   case PDB_BuiltinType::Float:
     return lldb::eEncodingIEEE754;
   case PDB_BuiltinType::Int:
   case PDB_BuiltinType::Long:
   case PDB_BuiltinType::Char:
+  case PDB_BuiltinType::Char16:
+  case PDB_BuiltinType::Char32:
     return lldb::eEncodingSint;
   case PDB_BuiltinType::Bool:
   case PDB_BuiltinType::UInt:
   case PDB_BuiltinType::ULong:
   case PDB_BuiltinType::HResult:
     return lldb::eEncodingUint;
   default:
     return lldb::eEncodingInvalid;
if (width == ast->getTypeSize(ast->UnsignedLongTy))
       return CompilerType(ast, ast->UnsignedLongTy);
     if (width == ast->getTypeSize(ast->UnsignedLongLongTy))
       return CompilerType(ast, ast->UnsignedLongLongTy);
     break;
   case PDB_BuiltinType::WCharT:
     if (width == ast->getTypeSize(ast->WCharTy))
       return CompilerType(ast, ast->WCharTy);
     break;
+  case PDB_BuiltinType::Char16:
+    return CompilerType(ast, ast->Char16Ty);
+  case PDB_BuiltinType::Char32:
+    return CompilerType(ast, ast->Char32Ty);
   case PDB_BuiltinType::Float:
     // Note: types `long double` and `double` have same bit size in MSVC and there
     // is no information in the PDB to distinguish them. So when falling back
     // to default search, the compiler type of `long double` will be represented by
     // the one generated for `double`.
     break;
   }
   // If there is no match on PDB_BuiltinType, fall back to default search
ConstString GetPDBBuiltinTypeName(const PDBSymbolTypeBuiltin *pdb_type,
   case PDB_BuiltinType::Bitfield:
     return ConstString("bitfield");
   case PDB_BuiltinType::BSTR:
     return ConstString("BSTR");
   case PDB_BuiltinType::HResult:
     return ConstString("HRESULT");
   case PDB_BuiltinType::BCD:
     return ConstString("BCD");
+  case PDB_BuiltinType::Char16:
+    return ConstString("char16_t");
+  case PDB_BuiltinType::Char32:
+    return ConstString("char32_t");
   case PDB_BuiltinType::None:
     return ConstString("...");
   }
   return compiler_type.GetTypeName();
 }
 
 bool GetDeclarationForSymbol(const PDBSymbol &symbol, Declaration &decl) {
   auto &raw_sym = symbol.getRawSymbol();