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// |jit-test| --enable-upsert; skip-if: !Map.prototype.getOrInsert
const g = newGlobal({ newCompartment: true });
var map = g.eval("new Map()");
Map.prototype.getOrInsert.call(map, 1, 2);
assertEq(map.get(1), 2);
map.getOrInsert(2, 3);
assertEq(map.get(2), 3);