| // 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 --no-lazy-feedback-allocation | |
| // Flags: --turboprop-dynamic-map-checks | |
| function bar(a) { | |
| return a.x; | |
| } | |
| function foo(a) { | |
| return 1 * bar(a); | |
| } | |
| var obj = {x: 2}; | |
| %PrepareFunctionForOptimization(foo); | |
| foo(obj, obj); | |
| %OptimizeFunctionOnNextCall(foo); | |
| assertThrows(() => foo()); |