| // Copyright 2020 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 O() {} |
| O.prototype.f = f; |
| O.prototype.g = g; |
| |
| function f() { |
| return g.arguments; |
| } |
| |
| function g(x) { |
| return this.f(2 - x, "any"); |
| } |
| |
| var o = new O(); |
| function foo(x) { |
| return o.g(x, "z"); |
| } |
| |
| for (var i = 0; i < 35; i++) foo(); |
| |
| var result = ( |
| %PrepareFunctionForOptimization(foo),foo(), foo(), |
| %OptimizeFunctionOnNextCall(foo), foo() |
| ); |
| assertEquals(result[1], "z"); |