4421			An expression of 'essentially enum' type (%1s) is being converted to character type, '%2s' on assignment.
	Arithmetic type - Assignment

/*PRQA S 1-9999 ++*/
/*PRQA S 4421 --*/

enum E {ONE, TWO};

void foo (char b);

char f4421 (enum E a)
{
  char pca = a;             /* 4421 */

  foo (ONE);                /* 4421 */

  pca = (TWO);              /* 4421 */

  return a;                 /* 4421 */
}