1// RUN: %clangxx_cfi -o %t1 %s
2// RUN: %expect_crash %run %t1 2>&1 | FileCheck --check-prefix=CFI %s
3
4// RUN: %clangxx_cfi -DB32 -o %t2 %s
5// RUN: %expect_crash %run %t2 2>&1 | FileCheck --check-prefix=CFI %s
6
7// RUN: %clangxx_cfi -DB64 -o %t3 %s
8// RUN: %expect_crash %run %t3 2>&1 | FileCheck --check-prefix=CFI %s
9
10// RUN: %clangxx_cfi -DBM -o %t4 %s
11// RUN: %expect_crash %run %t4 2>&1 | FileCheck --check-prefix=CFI %s
12
13// RUN: %clangxx -o %t5 %s
14// RUN: %run %t5 2>&1 | FileCheck --check-prefix=NCFI %s
15
16// RUN: %clangxx_cfi_diag -o %t6 %s
17// RUN: %run %t6 2>&1 | FileCheck --check-prefix=CFI-DIAG %s
18
19// Tests that the CFI enforcement also applies to virtual destructor calls made
20// via 'delete'.
21
22// REQUIRES: cxxabi
23
24#include <stdio.h>
25#include "utils.h"
26
27struct A {
28 virtual ~A();
29};
30
31A::~A() {}
32
33struct B {
34 virtual ~B();
35};
36
37B::~B() {}
38
39int main() {
40 create_derivers<B>();
41
42 A *a = new A;
43 break_optimization(a);
44
45 // CFI: 1
46 // NCFI: 1
47 fprintf(stderr, "1\n");
48
49 // CFI-DIAG: runtime error: control flow integrity check for type 'B' failed during virtual call
50 // CFI-DIAG-NEXT: note: vtable is of type '{{(struct )?}}A'
51 delete (B *)a; // UB here
52
53 // CFI-NOT: {{^2$}}
54 // NCFI: {{^2$}}
55 fprintf(stderr, "2\n");
56}
57