@ -611,7 +611,7 @@ export default class Module {
run ( treeshake ) {
if ( !treeshake ) {
this.statements.forEach( statement => {
if ( statement.isImportDeclaration ) return;
if ( statement.isImportDeclaration || ( statement.isExportDeclaration && statement.node.isSynthetic ) ) return;
statement.mark();
});