v8/test/mjsunit/compiler/simple-global-access.js

// Copyright 2010 the V8 project authors. All rights reserved.
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// Flags: --fast-compiler

// Test global variable loads with the fast compiler.
var g1 = 42;
var g2 = 43;
var g3 = 44;
this.__defineGetter__("g4", function () { return 45; });

function f1() { this.x = this.y = this.z = g1; }
function f2() { this.x = g1; this.y = g2; this.z = g3; }
function f3() { this.x = g4; }

var o = { x:0, y:0, z:0, test1:f1, test2:f2, test3:f3 }

o.test1();
assertEquals(42, o.x);
assertEquals(42, o.y);
assertEquals(42, o.z);

o.test2();
assertEquals(42, o.x);
assertEquals(43, o.y);
assertEquals(44, o.z);

o.test3();
assertEquals(45, o.x);