revive esnext.symbol

src/compiler/commandLineParser.ts

@@ -44,6 +44,7 @@ namespace ts {
         ["es2018.regexp", "lib.es2018.regexp.d.ts"],
         ["es2019.symbol", "lib.es2019.symbol.d.ts"],
         ["esnext.array", "lib.esnext.array.d.ts"],
+        ["esnext.symbol", "lib.es2019.symbol.d.ts"],
         ["esnext.asynciterable", "lib.esnext.asynciterable.d.ts"],
         ["esnext.intl", "lib.esnext.intl.d.ts"],
         ["esnext.bigint", "lib.esnext.bigint.d.ts"]