// 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 --concurrent-inlining function bar(error) { try { throw "didn't throw TypeError"; } catch (err) { error instanceof error, "didn't throw " + error.prototype.name; } } function foo(param) { bar(TypeError); } try { bar(); } catch (e) {} %PrepareFunctionForOptimization(foo); try { foo(); } catch (e) {} %OptimizeFunctionOnNextCall(foo); foo();