function foo(v) { global = v; } function bar() { return global; } noInline(foo); noInline(bar); var value = 42; foo(value); var n = 100000; var m = 100; for (var i = 0; i < n; ++i) { if (i == n - m) foo(value = 53); var result = bar(); if (result != value) throw "Error: on iteration " + i + " got: " + result; }