JSTests/microbenchmarks/array-length-reset-double.js

function test() {
    let a = [];
    for (let i = 0; i < 1e6; ++i) {
        a.push(1.5);
        a.push(2.5);
        a.push(3.5);
        a.length = 0;
    }
    return a.length;
}
noInline(test);
for (let i = 0; i < 5; ++i)
    test();