function bar() { return arguments; } function foo(p) { var a = bar(1, 2, 3); var b; if (p) b = bar(4, 5, 6); else b = [7, 8, 9]; return (a[0] << 0) + (a[1] << 1) + (a[2] << 2) + (b[0] << 3) + (b[1] << 4) + (b[2] << 5); } noInline(foo); for (var i = 0; i < 20000; ++i) { var p = i & 1; var q = (!p) * 3; var result = foo(p); if (result != (1 << 0) + (2 << 1) + (3 << 2) + ((4 + q) << 3) + ((5 + q) << 4) + ((6 + q) << 5)) throw "Error: bad result: " + result; }