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// Copyright 2014 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 --block-concurrent-recompilation
// Flags: --no-concurrent-osr --expose-gc
function Ctor() {
this.a = 1;
}
function get_closure() {
return function add_field(obj) {
obj.c = 3;
obj.a = obj.a + obj.c;
return obj.a;
}
}
function get_closure2() {
return function cc(obj) {
obj.c = 3;
obj.a = obj.a + obj.c;
}
}
function dummy() {
(function () {
var o = {c: 10};
var f1 = get_closure2();
f1(o);
f1(o);
%OptimizeFunctionOnNextCall(f1);
f1(o);
})();
}
var o = new Ctor();
function opt() {
(function () {
var f1 = get_closure();
f1(new Ctor());
f1(new Ctor());
%OptimizeFunctionOnNextCall(f1);
f1(o);
})();
}
// Optimize add_field and install its code in optimized code cache.
opt();
opt();
opt();
// Optimize dummy function to remove the add_field from head of optimized
// function list in the context.
dummy();
dummy();
// Kill add_field in new space GC.
for(var i = 0; i < 3; i++) gc(true);
// Trigger deopt.
o.c = 2.2;
// Fetch optimized code of add_field from cache and crash.
var f2 = get_closure();
f2(new Ctor());
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