x Unexpected token `!`. Expected this, import, async, function, [ for array literal, { for object literal, @ for decorator, function, class, null, true, false, number, bigint, string, regexp, ` | for template literal, (, or an identifier ,-[$DIR/tests/test262-parser/fail/7fc173197c3cc75d.js:1:1] 1 | (class extends !a {}) : ^ `----