Added support for the C++Ox "nullptr_t" type.

llvm-svn: 143225

Author: Greg Clayton

lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp

@@ -660,6 +660,7 @@ DWARFCompileUnit::Index (const uint32_t cu_idx,
         case DW_TAG_typedef:
         case DW_TAG_namespace:
         case DW_TAG_variable:
+        case DW_TAG_unspecified_type:
             break;
 
         default:
@@ -889,6 +890,7 @@ DWARFCompileUnit::Index (const uint32_t cu_idx,
         case DW_TAG_structure_type:
         case DW_TAG_union_type:
         case DW_TAG_typedef:
+        case DW_TAG_unspecified_type:
             if (name && is_declaration == false)
             {
                 types.Insert (ConstString(name), die.GetOffset());

lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp

@@ -3808,6 +3808,7 @@ SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu,
             case DW_TAG_const_type:
             case DW_TAG_restrict_type:
             case DW_TAG_volatile_type:
+            case DW_TAG_unspecified_type:
                 {
                     // Set a bit that lets us know that we are currently parsing this
                     m_die_to_type[die] = DIE_IS_BEING_PARSED;
@@ -3861,6 +3862,15 @@ SymbolFileDWARF::ParseType (const SymbolContext& sc, DWARFCompileUnit* dwarf_cu,
                     default:
                         break;
 
+                    case DW_TAG_unspecified_type:
+                        if (strcmp(type_name_cstr, "nullptr_t") == 0)
+                        {
+                            resolve_state = Type::eResolveStateFull;
+                            clang_type = ast.getASTContext()->NullPtrTy.getAsOpaquePtr();
+                            break;
+                        }
+                        // Fall through to base type below in case we can handle the type there...
+
                     case DW_TAG_base_type:
                         resolve_state = Type::eResolveStateFull;
                         clang_type = ast.GetBuiltinTypeForDWARFEncodingAndBitSize (type_name_cstr,