blob: a4665a1757749268cc257427caf72fe054a63b58 (
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
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
|
// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.cplusplus.NewDelete,unix.Malloc -std=c++11 -fblocks -verify %s
// RUN: %clang_cc1 -analyze -analyzer-checker=core,alpha.cplusplus.NewDelete,alpha.cplusplus.NewDeleteLeaks,unix.Malloc -std=c++11 -DLEAKS -fblocks -verify %s
#include "Inputs/system-header-simulator-cxx.h"
#ifndef LEAKS
// expected-no-diagnostics
#endif
void *allocator(std::size_t size);
void *operator new[](std::size_t size) throw() { return allocator(size); }
void *operator new(std::size_t size) throw() { return allocator(size); }
void *operator new(std::size_t size, std::nothrow_t& nothrow) throw() { return allocator(size); }
void *operator new(std::size_t, double d);
class C {
public:
void *operator new(std::size_t);
};
void testNewMethod() {
void *p1 = C::operator new(0); // no warn
C *p2 = new C; // no warn
C *c3 = ::new C;
}
#ifdef LEAKS
// expected-warning@-2{{Memory is never released; potential leak}}
#endif
void testOpNewArray() {
void *p = operator new[](0); // call is inlined, no warn
}
void testNewExprArray() {
int *p = new int[0];
}
#ifdef LEAKS
// expected-warning@-2{{Memory is never released; potential leak}}
#endif
//----- Custom non-placement operators
void testOpNew() {
void *p = operator new(0); // call is inlined, no warn
}
void testNewExpr() {
int *p = new int;
}
#ifdef LEAKS
// expected-warning@-2{{Memory is never released; potential leak}}
#endif
//----- Custom NoThrow placement operators
void testOpNewNoThrow() {
void *p = operator new(0, std::nothrow);
}
#ifdef LEAKS
// expected-warning@-2{{Memory is never released; potential leak}}
#endif
void testNewExprNoThrow() {
int *p = new(std::nothrow) int;
}
#ifdef LEAKS
// expected-warning@-2{{Memory is never released; potential leak}}
#endif
//----- Custom placement operators
void testOpNewPlacement() {
void *p = operator new(0, 0.1); // no warn
}
void testNewExprPlacement() {
int *p = new(0.1) int; // no warn
}
|
