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// Clearing an empty Map has no effect.
var m = new Map();
for (var i = 0; i < 2; i++) {
m.clear();
assertEq(m.size, 0);
assertEq(m.has(undefined), false);
}
// Clearing an empty Map has no effect.
var m = new Map();
for (var i = 0; i < 2; i++) {
m.clear();
assertEq(m.size, 0);
assertEq(m.has(undefined), false);
}