js/src/jit-test/tests/collections/Map-iterator-already-done.js


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let a = new Map();
for (let i = 0; i < 1000; i++)
  a.set(i, i);

function f() {
  let iter = a.entries();
  while (!iter.next().done) {}
  iter.next();
}

for (let i = 0; i < 10; i++)
  f();