/* PR c/51628. */ /* { dg-do compile } */ /* { dg-options "-O" } */ struct pair_t { char x; int i[4]; } __attribute__ ((packed, aligned (4))); 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 } */ }