0565			[C] Left operand of '+=' or '-=' must be of arithmetic or pointer to object type.
	Constraint violations				REFERENCE - ISO:C90-6.3.16.2 Compound Assignment - Constraints

/*PRQA S 488,2213,2216,3132,3227,3408,3447 ++*/

struct ST {int a; int b;};

extern struct ST sta;
extern int buf[10];
extern int g;
extern int *pi;

void foo(int n)
{
    sta += n;           /* Message 0565          */
    buf += n;           /* Message 0565 and 0556 */
    g   += n;
    pi  += n;
}