4504			An expression of 'essentially Boolean' type (%1s) is being used as the right-hand operand of this shift operator (%2s).
	Arithmetic type - Operands

/*PRQA S 1-9999 ++*/
/*PRQA S 4504 --*/

void f4504 (int a, _Bool b)
{
  1 << (a != 0);            /* 4504 */
  
  a >> b;                   /* 4504 */
}

See also:

• 4503 An expression of 'essentially Boolean' type (%1s) is being used as the left-hand operand of this shift operator (%2s).