File: strictNullLogicalAndOr.ts

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// @strictNullChecks: true

// Repro from #9113

let sinOrCos = Math.random() < .5;
let choice = sinOrCos && Math.sin || Math.cos;

choice(Math.PI);

function sq(n?: number): number {
  const r = n !== undefined && n*n || 0;
  return r;
}

sq(3);