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function newPromiseCapability() {
return {};
}
function neverCalled() {}
function resolveCapability(dIs) {}
class P extends Promise {
constructor(executor) {
executor(resolveCapability, neverCalled);
var p = async function() {}();
p.constructor = {
[Symbol.species]: P
};
return p;
}
}
var {
promise: alwaysPending
} = newPromiseCapability();
P.race([alwaysPending]).then(neverCalled, neverCalled);
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