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comparison clang/test/Sema/function-redecl.c @ 150:1d019706d866

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LLVM10
author anatofuz
date Thu, 13 Feb 2020 15:10:13 +0900
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children c4bab56944e8
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147:c2174574ed3a 150:1d019706d866
1 // RUN: %clang_cc1 -triple %itanium_abi_triple -fsyntax-only -verify %s
2
3 // PR3588
4 void g0(int, int);
5 void g0(); // expected-note{{previous declaration is here}} expected-note{{'g0' declared here}}
6
7 void f0() {
8 g0(1, 2, 3); // expected-error{{too many arguments to function call}}
9 }
10
11 void g0(int); // expected-error{{conflicting types for 'g0'}}
12
13 int g1(int, int);
14
15 typedef int INT;
16
17 INT g1(x, y)
18 int x;
19 int y;
20 {
21 return x + y;
22 }
23
24 int g2(int, int); // expected-note{{previous declaration is here}}
25
26 INT g2(x) // expected-error{{conflicting types for 'g2'}}
27 int x;
28 {
29 return x;
30 }
31
32 void test() {
33 int f1;
34 {
35 void f1(double);
36 {
37 void f1(double); // expected-note{{previous declaration is here}}
38 {
39 int f1(int); // expected-error{{conflicting types for 'f1'}}
40 }
41 }
42 }
43 }
44
45 extern void g3(int); // expected-note{{previous declaration is here}}
46 static void g3(int x) { } // expected-error{{static declaration of 'g3' follows non-static declaration}}
47
48 void test2() {
49 extern int f2; // expected-note 2 {{previous definition is here}}
50 {
51 void f2(int); // expected-error{{redefinition of 'f2' as different kind of symbol}}
52 }
53
54 {
55 int f2;
56 {
57 void f2(int); // expected-error{{redefinition of 'f2' as different kind of symbol}}
58 }
59 }
60 }
61
62 // <rdar://problem/6127293>
63 int outer1(int); // expected-note{{previous declaration is here}}
64 struct outer3 { };
65 int outer4(int); // expected-note{{previous declaration is here}}
66 int outer5; // expected-note{{previous definition is here}}
67 int *outer7(int);
68
69 void outer_test() {
70 int outer1(float); // expected-error{{conflicting types for 'outer1'}}
71 int outer2(int); // expected-note{{previous declaration is here}}
72 int outer3(int); // expected-note{{previous declaration is here}}
73 int outer4(int);
74 int outer5(int); // expected-error{{redefinition of 'outer5' as different kind of symbol}}
75 int* outer6(int); // expected-note{{previous declaration is here}}
76 int *outer7(int);
77 int outer8(int);
78
79 int *ip7 = outer7(6);
80 }
81
82 int outer2(float); // expected-error{{conflicting types for 'outer2'}}
83 int outer3(float); // expected-error{{conflicting types for 'outer3'}}
84 int outer4(float); // expected-error{{conflicting types for 'outer4'}}
85
86 void outer_test2(int x) {
87 int* ip = outer6(x); // expected-warning{{use of out-of-scope declaration of 'outer6'}}
88 int *ip2 = outer7(x);
89 }
90
91 void outer_test3() {
92 int *(*fp)(int) = outer8; // expected-error{{use of undeclared identifier 'outer8'}}
93 }
94
95 enum e { e1, e2 };
96
97 // GNU extension: prototypes and K&R function definitions
98 int isroot(short x, // expected-note{{previous declaration is here}}
99 enum e);
100
101 int isroot(x, y)
102 short x; // expected-warning{{promoted type 'int' of K&R function parameter is not compatible with the parameter type 'short' declared in a previous prototype}}
103 unsigned int y;
104 {
105 return x == 1;
106 }
107
108 // PR3817
109 void *h0(unsigned a0, ...);
110 extern __typeof (h0) h1 __attribute__((__sentinel__));
111 extern __typeof (h1) h1 __attribute__((__sentinel__));
112
113 // PR3840
114 void i0 (unsigned short a0);
115 extern __typeof (i0) i1;
116 extern __typeof (i1) i1;
117
118 typedef int a();
119 typedef int a2(int*);
120 a x;
121 a2 x2; // expected-note{{passing argument to parameter here}}
122 void test_x() {
123 x(5);
124 x2(5); // expected-warning{{incompatible integer to pointer conversion passing 'int' to parameter of type 'int *'}}
125 }
126
127 enum e0 {one};
128 void f3();
129 void f3(enum e0 x) {}
130
131 enum incomplete_enum;
132 void f4(); // expected-note {{previous declaration is here}}
133 void f4(enum incomplete_enum); // expected-error {{conflicting types for 'f4'}}