Bug path

test_28

‘test_28’: events 1-3

315	struct coord *p = NULL;
	^
	\|
	(1) ‘p’ is NULL
316	p->x = 0.f; /* { dg-warning "dereference of NULL 'p'" } */
	~~~~~~~~~~
	\|
	(3) dereference of NULL ‘p’
[...]
321	return p;
	~
	\|
	(2) ‘p’ is NULL