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92a42be0 SL |
1 | // XFAIL: * |
2 | ||
3 | // RUN: %clangxx_cfi -o %t1 %s | |
4 | // RUN: %expect_crash %t1 2>&1 | FileCheck --check-prefix=CFI %s | |
5 | ||
6 | // RUN: %clangxx_cfi -DB32 -o %t2 %s | |
7 | // RUN: %expect_crash %t2 2>&1 | FileCheck --check-prefix=CFI %s | |
8 | ||
9 | // RUN: %clangxx_cfi -DB64 -o %t3 %s | |
10 | // RUN: %expect_crash %t3 2>&1 | FileCheck --check-prefix=CFI %s | |
11 | ||
12 | // RUN: %clangxx_cfi -DBM -o %t4 %s | |
13 | // RUN: %expect_crash %t4 2>&1 | FileCheck --check-prefix=CFI %s | |
14 | ||
15 | // RUN: %clangxx -o %t5 %s | |
16 | // RUN: %t5 2>&1 | FileCheck --check-prefix=NCFI %s | |
17 | ||
18 | // Tests that the CFI enforcement distinguishes betwen non-overriding siblings. | |
19 | // XFAILed as not implemented yet. | |
20 | ||
21 | #include <stdio.h> | |
22 | #include "utils.h" | |
23 | ||
24 | struct A { | |
25 | virtual void f(); | |
26 | }; | |
27 | ||
28 | void A::f() {} | |
29 | ||
30 | struct B : A { | |
31 | virtual void f(); | |
32 | }; | |
33 | ||
34 | void B::f() {} | |
35 | ||
36 | struct C : A { | |
37 | }; | |
38 | ||
39 | int main() { | |
40 | create_derivers<B>(); | |
41 | ||
42 | B *b = new B; | |
43 | break_optimization(b); | |
44 | ||
45 | // CFI: 1 | |
46 | // NCFI: 1 | |
47 | fprintf(stderr, "1\n"); | |
48 | ||
49 | ((C *)b)->f(); // UB here | |
50 | ||
51 | // CFI-NOT: 2 | |
52 | // NCFI: 2 | |
53 | fprintf(stderr, "2\n"); | |
54 | } |