"use strict"; function assert(b, m="") { if (!b) throw new Error("Bad assertion: " + m); } noInline(assert); function test() { function baz(...args) { return args; } function bar(...args) { return baz(...args); } function foo(a, b, c, ...args) { return bar(...args, a, ...[0, 1, 2]); } noInline(foo); for (let i = 0; i < 100000; i++) { let r = foo(i, i+1, i+2, i+3); assert(r.length === 5); let [a, b, c, d, e] = r; assert(a === i+3); assert(b === i); assert(c === 0); assert(d === 1); assert(e === 2); } } test();