JSTests/microbenchmarks/set-constructor-cross-realm-array.js

var other = createGlobalObject();

function test(array)
{
    return new Set(array);
}
noInline(test);

var array = new other.Array(50);
for (var j = 0; j < 50; ++j)
    array[j] = j;

for (var i = 0; i < 1e4; ++i)
    test(array);