v8/test/mjsunit/regress/regress-270142.js

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//
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// Check that "name"'s property descriptor for non-strict and strict
// functions correspond.

function f(x) {
  return x;
}

function g(x) {
  "use strict";
  return x;
}

function checkNameDescriptor(f) {
  var descriptor = Object.getOwnPropertyDescriptor(f, "name");
  assertTrue(descriptor.configurable);
  assertFalse(descriptor.enumerable);
  assertFalse(descriptor.writable);
}

checkNameDescriptor(f);
checkNameDescriptor(g);