message: Simplify check for -0 in printNumber
diff: @@ -80,11 +80,7 @@ function isToStringedArrayType(toStringed: string): boolean {
  }
  function printNumber(val: number): string {
  - if (val != +val) {
  - return 'NaN';
  - }
  - const isNegativeZero = val === 0 && 1 / val < 0;
  - return isNegativeZero ? '-0' : '' + val;
  + return Object.is(val, -0) ? '-0' : String(val);
  }
  function printFunction(val: Function, printFunctionName: boolean): string {
  