errors: eliminate all overhead for hidden calls

benchmark/misc/hidestackframes.js

@@ -0,0 +1,45 @@
+'use strict';
+
+const common = require('../common.js');
+
+const bench = common.createBenchmark(main, {
+  type: ['hide-stackframes-throw', 'direct-call-throw',
+         'hide-stackframes-noerr', 'direct-call-noerr'],
+  n: [10e4]
+}, {
+  flags: ['--expose-internals']
+});
+
+function main({ n, type }) {
+  const {
+    hideStackFrames,
+    codes: {
+      ERR_INVALID_ARG_TYPE,
+    },
+  } = require('internal/errors');
+
+  const testfn = (value) => {
+    if (typeof value !== 'number') {
+      throw new ERR_INVALID_ARG_TYPE('Benchmark', 'number', value);
+    }
+  };
+
+  let fn = testfn;
+  if (type.startsWith('hide-stackframe'))
+    fn = hideStackFrames(testfn);
+  let value = 42;
+  if (type.endsWith('-throw'))
+    value = 'err';
+
+  bench.start();
+
+  for (let i = 0; i < n; i++) {
+    try {
+      fn(value);
+    } catch {
+      // No-op
+    }
+  }
+
+  bench.end(n);
+}