src/v8/test/mjsunit/regress/regress-crbug-323942.js

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// Flags: --allow-natives-syntax

"use strict";

// Function is defined on the prototype chain.
var holder = { f: function() { return 42; } };
var receiver = { };
receiver.__proto__ = { };
receiver.__proto__.__proto__ = holder;

// Inline two levels.
function h(o) { return o.f.apply(this, arguments); }
function g(o) { return h(o); }

// Collect type information for apply call.
assertEquals(42, g(receiver));
assertEquals(42, g(receiver));

// Sneakily remove the function from the prototype chain.
// The receiver map does not change.
receiver.__proto__.__proto__ = {};

// Lookup of o.f during graph creation fails.
%OptimizeFunctionOnNextCall(g);

assertThrows(function() { g(receiver); });

// Put function back.
receiver.__proto__.__proto__ = holder;
assertEquals(42, g(receiver));