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// 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 --gc-global
(function TestGCDuringToObjectForWith() {
function f(o) {
if (o == 'warmup') { return g() }
with (o) { return x }
}
function g() {
// Only a marker function serving as weak embedded object.
}
// Warm up 'f' so that weak embedded object 'g' will be used.
f('warmup');
f('warmup');
g = null;
// Test that 'f' behaves correctly unoptimized.
assertEquals(23, f({ x:23 }));
assertEquals(42, f({ x:42 }));
// Test that 'f' behaves correctly optimized.
%OptimizeFunctionOnNextCall(f);
assertEquals(65, f({ x:65 }));
// Test that 'f' behaves correctly on numbers.
Number.prototype.x = 99;
assertEquals(99, f(0));
// Make sure the next [[ToObject]] allocation triggers GC. This in turn will
// deoptimize 'f' because it has the weak embedded object 'g' in the code.
%SetAllocationTimeout(1000, 1, false);
assertEquals(99, f(0));
})();
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