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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
// RUN: %clang_cc1 -fsanitize=memory -O0 -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -fsanitize=memory -O1 -disable-llvm-passes -fsanitize-memory-use-after-dtor -std=c++11 -triple=x86_64-pc-linux -emit-llvm -o - %s | FileCheck %s
template <class T>
class Vector {
public:
int size;
~Vector() {
size += 1;
}
};
struct Base {
int b1;
double b2;
Base() {
b1 = 5;
b2 = 10.989;
}
virtual ~Base() {}
};
struct VirtualBase {
int vb1;
int vb2;
VirtualBase() {
vb1 = 10;
vb2 = 11;
}
virtual ~VirtualBase() {}
};
struct Derived : public Base, public virtual VirtualBase {
int d1;
Vector<int> v;
int d2;
Derived() {
d1 = 10;
}
~Derived() {}
};
Derived d;
// Destruction order:
// Derived: int, Vector, Base, VirtualBase
// CHECK-LABEL: define {{.*}}ZN7DerivedD1Ev
// CHECK: call void {{.*}}ZN11VirtualBaseD2Ev
// CHECK: ret void
// CHECK-LABEL: define {{.*}}ZN7DerivedD0Ev
// CHECK: ret void
// CHECK-LABEL: define {{.*}}ZN11VirtualBaseD1Ev
// CHECK: ret void
// CHECK-LABEL: define {{.*}}ZN11VirtualBaseD0Ev
// CHECK: ret void
// poison 2 ints
// CHECK-LABEL: define {{.*}}ZN11VirtualBaseD2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 8)
// CHECK: ret void
// poison int and double
// CHECK-LABEL: define {{.*}}ZN4BaseD2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 16)
// CHECK: ret void
// poison int, ignore vector, poison int
// CHECK-LABEL: define {{.*}}ZN7DerivedD2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4)
// CHECK: call void {{.*}}ZN6VectorIiED1Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4)
// CHECK: call void {{.*}}ZN4BaseD2Ev
// CHECK: ret void
// poison int
// CHECK-LABEL: define {{.*}}ZN6VectorIiED2Ev
// CHECK: call void {{.*}}sanitizer_dtor_callback({{.*}}, i64 4)
// CHECK: ret void
|
