/* PR c/51628. */ /* { dg-do compile } */ /* { dg-options "-O" } */ struct pair_t { char x; int i; } __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 *-*-* } .-1 } */ int * foo (void) { struct pair_t arr[2] = { { 1, 10 }, { 2, 20 } }; int *p0, *p1; p0 = &arr[0].i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ bar (p0); p1 = &arr[1].i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ bar (p1); bar (&p.i); /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ x = &p.i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ return &p.i; /* { dg-warning "may result in an unaligned pointer value" "" { target *-*-* } .-1 } */ }