benchmark: add node-error benchmark

benchmark/error/error.js

@@ -0,0 +1,14 @@
+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  n: [1e7],
+});
+
+function main({ n }) {
+  bench.start();
+  for (let i = 0; i < n; ++i)
+    new Error('test');
+  bench.end(n);
+}

benchmark/error/node-error.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const common = require('../common');
+
+const bench = common.createBenchmark(main, {
+  n: [1e7],
+}, {
+  flags: ['--expose-internals']
+});
+
+function main({ n }) {
+  const {
+    codes: {
+      ERR_INVALID_STATE,
+    }
+  } = require('internal/errors');
+  bench.start();
+  for (let i = 0; i < n; ++i)
+    new ERR_INVALID_STATE.TypeError('test');
+  bench.end(n);
+}