lib: flag to conditionally modify proto on deprecate

Refs: https://github.com/nodejs/node/issues/58218
Signed-off-by: RafaelGSS <rafael.nunu@hotmail.com>
PR-URL: https://github.com/nodejs/node/pull/58928
Reviewed-By: Juan José Arboleda <soyjuanarbol@gmail.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>

benchmark/util/deprecate.js

@@ -0,0 +1,36 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+const bench = common.createBenchmark(main, {
+  n: [1e5],
+  modifyPrototype: [1, 0],
+  emitWarningSync: [1, 0],
+}, {
+  flags: ['--expose-internals'],
+});
+
+function simpleFunction(x) {
+  return x * 2 + (new Array(1000)).fill(0).map((_, i) => i).reduce((a, b) => a + b, 0);
+}
+
+function main({ n, modifyPrototype, emitWarningSync }) {
+  const { deprecate } = require('internal/util');
+
+  const fn = deprecate(
+    simpleFunction,
+    'This function is deprecated',
+    'DEP0000',
+    emitWarningSync,
+    !!modifyPrototype,
+  );
+
+  let sum = 0;
+  bench.start();
+  for (let i = 0; i < n; ++i) {
+    sum += fn(i);
+  }
+  bench.end(n);
+  assert.ok(sum);
+}