v8/test/mjsunit/compiler/accessor-exceptions2.js

// Copyright 2016 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

var o = {}
Object.defineProperty(o, "x", {
  set: function(v) { throw 7; }
});

function foo(o) {
  var x = 1;
  try { o.x = 2; } catch (e) { x = e; }
  return x;
}

%PrepareFunctionForOptimization(foo);
assertEquals(7, foo(o));
assertEquals(7, foo(o));
%OptimizeFunctionOnNextCall(foo);
assertEquals(7, foo(o));