0454			[C] The address-of operator '&' cannot be applied to an object declared with 'register'.
	Constraint violations				REFERENCE - ISO:C90-6.3.3.2 Address and Indirection Operators - Constraints

/*PRQA S 2211,2711,3199,3203,3219,3408,3450 ++*/

void foo (void)
{
    register int a;
    int *pa;

    pa = &a;               /* Message 0454 */
}

See also:

• 0304 [U] The address of an array declared 'register' may not be computed.