1 // Limit this to known non-strict alignment targets.
2 // { dg-do run { target { i?86-*-linux* x86_64-*-linux* } } }
3 // { dg-options "-fsanitize=alignment -Wall -Wno-unused-variable -std=c++11" }
4
5 #include <new>
6
7 struct U
8 {
9 int a;
fooU10 void foo () {}
11 };
12 struct V
13 {
VV14 V () : a (0) {};
~VV15 ~V () { a = 0; };
16 int a;
fooV17 void foo () {}
barV18 static void bar () {}
19 };
20 struct S { long int l; char buf[1 + sizeof (U) + 2 * sizeof (V)]; } s;
21
22 int
main(void)23 main (void)
24 {
25 U *p = (U *) &s.buf[1];
26 p->foo ();
27 char *q = &s.buf[1 + sizeof (U)];
28 V *u = new (q) V;
29 u->a = 1;
30 u->~V ();
31 V *v = new (&s.buf[1 + sizeof (U) + sizeof (V)]) V;
32 v->foo ();
33 v->bar (); // We don't instrument this right now.
34 v->~V ();
35 }
36
37 // { dg-output "\.C:26:\[0-9]*:\[\^\n\r]*member call on misaligned address 0x\[0-9a-fA-F]* for type 'struct U', which requires 4 byte alignment.*" }
38 // { dg-output "\.C:28:\[0-9]*:\[\^\n\r]*constructor call on misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
39 // { dg-output "\.C:14:\[0-9]*:\[\^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
40 // { dg-output "\.C:29:\[0-9]*:\[\^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
41 // { dg-output "\.C:30:\[0-9]*:\[\^\n\r]*member call on misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
42 // { dg-output "\.C:15:\[0-9]*:\[\^\n\r]*member access within misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
43 // { dg-output "\.C:31:\[0-9]*:\[\^\n\r]*constructor call on misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
44 // { dg-output "\.C:32:\[0-9]*:\[\^\n\r]*member call on misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment.*" }
45 // { dg-output "\.C:34:\[0-9]*:\[\^\n\r]*member call on misaligned address 0x\[0-9a-fA-F]* for type 'struct V', which requires 4 byte alignment" }
46