| // Copyright 2019 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Flags: --allow-natives-syntax |
| function f() { |
| // Loop with a body that's not wrapped in a block. |
| for (i = 0; i < 2; i++) |
| var x = i, // var x that's assigned on each iteration |
| y = y||(()=>x), // single arrow function that returns x |
| z0 = (%PrepareFunctionForOptimization(y)), // prepare function for optimization |
| z = (%OptimizeFunctionOnNextCall(y), y()); // optimize y on first iteration |
| return y() |
| }; |
| assertEquals(1, f()) |