blob: fb6e2f295ff32ae542bd5798fe803c116b07f67a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// XFAIL: *
// RUN: %clangxx_cfi -o %t1 %s
// RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi -DB32 -o %t2 %s
// RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi -DB64 -o %t3 %s
// RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx_cfi -DBM -o %t4 %s
// RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s
// RUN: %clangxx -o %t5 %s
// RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s
// Tests that the CFI enforcement distinguishes between non-overriding siblings.
// XFAILed as not implemented yet.
#include <stdio.h>
#include "utils.h"
struct A {
virtual void f();
};
void A::f() {}
struct B : A {
virtual void f();
};
void B::f() {}
struct C : A {
};
int main() {
create_derivers<B>();
B *b = new B;
break_optimization(b);
// CFI: 1
// NCFI: 1
fprintf(stderr, "1\n");
((C *)b)->f(); // UB here
// CFI-NOT: 2
// NCFI: 2
fprintf(stderr, "2\n");
}
|
