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// Always use the per-element barrier.
gczeal(12);
function f() {
var arr = [];
for (var i = 0; i < 1000; i++)
arr.push(i);
gc(); // Ensure arr is tenured.
// Now store a nursery object somewhere in the array, shift elements,
// trigger a GC, and check the post barrier kept the object alive.
for (var i = 0; i < 20; i++)
arr.shift();
for (var i = 0; i < 40; i++)
arr[900] = {x: i};
for (var i = 0; i < 10; i++)
arr.shift();
gc();
assertEq(arr[890].x, 39);
}
f();
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