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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
// RUN: %check_clang_tidy %s bugprone-unused-raii %t -- -- -fno-delayed-template-parsing
struct Foo {
Foo();
Foo(int);
Foo(int, int);
~Foo();
};
struct Bar {
Bar();
};
struct FooBar {
FooBar();
Foo f;
};
template <typename T>
void qux() {
T(42);
}
template <typename T>
struct TFoo {
TFoo(T);
~TFoo();
};
Foo f();
struct Ctor {
Ctor(int);
Ctor() {
Ctor(0); // TODO: warn here.
}
};
template <typename T>
void templ() {
T();
}
template <typename T>
void neverInstantiated() {
T();
}
struct CtorDefaultArg {
CtorDefaultArg(int i = 0);
~CtorDefaultArg();
};
template <typename T>
struct TCtorDefaultArg {
TCtorDefaultArg(T i = 0);
~TCtorDefaultArg();
};
struct CtorTwoDefaultArg {
CtorTwoDefaultArg(int i = 0, bool b = false);
~CtorTwoDefaultArg();
};
template <typename T>
void templatetest() {
TCtorDefaultArg<T>();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name;
TCtorDefaultArg<T>{};
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name;
TCtorDefaultArg<T>(T{});
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name(T{});
TCtorDefaultArg<T>{T{}};
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TCtorDefaultArg<T> give_me_a_name{T{}};
int i = 0;
(void)i;
}
void test() {
Foo(42);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: Foo give_me_a_name(42);
Foo(23, 42);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: Foo give_me_a_name(23, 42);
Foo();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: Foo give_me_a_name;
TFoo<int>(23);
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TFoo<int> give_me_a_name(23);
FooBar();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: FooBar give_me_a_name;
Foo{42};
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: Foo give_me_a_name{42};
FooBar{};
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: FooBar give_me_a_name;
CtorDefaultArg();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: CtorDefaultArg give_me_a_name;
CtorTwoDefaultArg();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: CtorTwoDefaultArg give_me_a_name;
TCtorDefaultArg<int>();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TCtorDefaultArg<int> give_me_a_name;
TCtorDefaultArg<int>{};
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: object destroyed immediately after creation; did you mean to name the object?
// CHECK-FIXES: TCtorDefaultArg<int> give_me_a_name;
templ<FooBar>();
templ<Bar>();
Bar();
f();
qux<Foo>();
#define M Foo();
M
{
Foo();
}
Foo();
}
|
