accessor fields reported through the parser's manifest

packages/svelte/src/compiler/phases/1-parse/js.js

@@ -148,6 +148,7 @@ const UNSUPPORTED = {
 	TSModuleDeclaration: 'namespaces with non-type nodes',
 	TSParameterProperty: 'accessibility modifiers on constructor parameters',
 	Decorator: 'decorators (related TSC proposal is not stage 4 yet)',
+	AccessorProperty: 'accessor fields (related TSC proposal is not stage 4 yet)',
 	TSExportAssignment: 'export assignments',
 	TSImportEqualsDeclaration: 'import assignments'
 };

packages/svelte/src/compiler/phases/2-analyze/visitors/PropertyDefinition.js

@@ -8,10 +8,6 @@ import { get_name } from '../../nodes.js';
  * @param {Context} context
  */
 export function PropertyDefinition(node, context) {
-	if (/** @type {any} */ (node).accessor) {
-		e.typescript_invalid_feature(node, 'accessor fields (related TSC proposal is not stage 4 yet)');
-	}
-
 	const name = get_name(node.key);
 	const field = name && context.state.state_fields.get(name);