blob: aa3d5292d435210ebe78657be76890d791b9197b [file] [log] [blame]
/* PR c/51628. */
/* { dg-do compile } */
/* { dg-options "-O" } */
struct pair_t
{
int x;
int i[4];
} __attribute__ ((packed));
extern struct pair_t p;
extern int *x;
extern void bar (int *);
int *addr = p.i;
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
int *
foo (struct pair_t *p)
{
int *p0, *p1;
p0 = p->i;
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
bar (p0);
p1 = &p->i[1];
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
bar (p1);
bar (p->i);
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
bar (&p->i[2]);
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
x = p->i;
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
return &p->i[3];
/* { dg-warning "may result in an unaligned pointer value" "" { target { ! default_packed } } .-1 } */
}