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
|
// RUN: %clang_cc1 -fsyntax-only -verify %s -pedantic -std=c99
int __attribute__(()) x;
__inline void __attribute__((__always_inline__, __nodebug__))
foo(void) {
}
__attribute__(()) y; // expected-warning {{defaults to 'int'}}
// PR2796
int (__attribute__(()) *z)(long y);
void f1(__attribute__(()) int x);
int f2(y, __attribute__(()) x); // expected-error {{expected identifier}}
// This is parsed as a normal argument list (with two args that are implicit
// int) because the __attribute__ is a declspec.
void f3(__attribute__(()) x, // expected-warning {{defaults to 'int'}}
y); // expected-warning {{defaults to 'int'}}
void f4(__attribute__(())); // expected-error {{expected parameter declarator}}
// This is ok, the __attribute__ applies to the pointer.
int baz(int (__attribute__(()) *x)(long y));
void g1(void (*f1)(__attribute__(()) int x));
void g2(int (*f2)(y, __attribute__(()) x)); // expected-error {{expected identifier}}
void g3(void (*f3)(__attribute__(()) x, int y)); // expected-warning {{defaults to 'int'}}
void g4(void (*f4)(__attribute__(()))); // expected-error {{expected parameter declarator}}
void (*h1)(void (*f1)(__attribute__(()) int x));
void (*h2)(int (*f2)(y, __attribute__(()) x)); // expected-error {{expected identifier}}
void (*h3)(void (*f3)(__attribute__(()) x)); // expected-warning {{defaults to 'int'}}
void (*h4)(void (*f4)(__attribute__(()))); // expected-error {{expected parameter declarator}}
// rdar://6131260
int foo42(void) {
int x, __attribute__((unused)) y, z;
return 0;
}
// rdar://6096491
void __attribute__((noreturn)) d0(void), __attribute__((noreturn)) d1(void);
void d2(void) __attribute__((noreturn)), d3(void) __attribute__((noreturn));
// PR6287
void __attribute__((returns_twice)) returns_twice_test();
int aligned(int);
int __attribute__((vec_type_hint(char, aligned(16) )) missing_rparen_1; // expected-error 2{{expected ')'}} expected-note {{to match}} expected-warning {{does not declare anything}}
int __attribute__((mode(x aligned(16) )) missing_rparen_2; // expected-error 2{{expected ')'}}
int __attribute__((format(printf, 0 aligned(16) )) missing_rparen_3; // expected-error 2{{expected ')'}}
int testFundef1(int *a) __attribute__((nonnull(1))) { // \
// expected-warning {{GCC does not allow 'nonnull' attribute in this position on a function definition}}
return *a;
}
// noreturn is lifted to type qualifier
void testFundef2() __attribute__((noreturn)) { // \
// expected-warning {{GCC does not allow 'noreturn' attribute in this position on a function definition}}
testFundef2();
}
int testFundef3(int *a) __attribute__((nonnull(1), // \
// expected-warning {{GCC does not allow 'nonnull' attribute in this position on a function definition}}
pure)) { // \
// expected-warning {{GCC does not allow 'pure' attribute in this position on a function definition}}
return *a;
}
int testFundef4(int *a) __attribute__((nonnull(1))) // \
// expected-warning {{GCC does not allow 'nonnull' attribute in this position on a function definition}}
__attribute((pure)) { // \
// expected-warning {{GCC does not allow 'pure' attribute in this position on a function definition}}
return *a;
}
// GCC allows these
void testFundef5() __attribute__(()) { }
__attribute__((pure)) int testFundef6(int a) { return a; }
void deprecatedTestFun(void) __attribute__((deprecated()));
struct s {
int a;
};
// This test ensure compatibility with parsing GNU-style attributes
// where the attribute is on a separate line from the elaborated type
// specifier.
struct s
__attribute__((used)) bar;
// Ensure that attributes must be separated by a comma (PR38352).
__attribute__((const const)) int PR38352(void); // expected-error {{expected ')'}}
// Also ensure that we accept spurious commas.
__attribute__((,,,const)) int PR38352_1(void);
__attribute__((const,,,)) int PR38352_2(void);
__attribute__((const,,,const)) int PR38352_3(void);
__attribute__((,,,const,,,const,,,)) int PR38352_4(void);
|
