| // Copyright 2017 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 --turbo-escape |
| |
| function get1(l, b) { |
| return l[1]; |
| } |
| |
| function with_double(x) { |
| var o = {a: [x,x,x]}; |
| o.a.some_property = 1; |
| return get1(o.a); |
| } |
| |
| function with_tagged(x) { |
| var l = [{}, x,x]; |
| return get1(l); |
| } |
| |
| %PrepareFunctionForOptimization(with_double); |
| with_double(.5); |
| with_tagged({}); |
| with_double(.6); |
| with_tagged(null); |
| with_double(.5); |
| with_tagged({}); |
| %OptimizeFunctionOnNextCall(with_double); |
| with_double(.7); |
