function-redecl.c revision d6f7e9dccd0fa8a5a15d7478324c0ae229fc5e1e 
1// RUN: clang -fsyntax-only -verify %s
2
3// PR3588
4void g0(int, int);
5void g0(); // expected-note{{previous declaration is here}}
6
7void f0() {
8  g0(1, 2, 3); // expected-error{{too many arguments to function call}}
9}
10
11void g0(int); // expected-error{{conflicting types for 'g0'}}
12
13int g1(int, int);
14
15typedef int INT;
16
17INT g1(x, y)
18     int x;
19     int y;
20{
21  return x + y;
22}
23
24int g2(int, int); // expected-note{{previous declaration is here}}
25
26INT g2(x) // expected-error{{conflicting types for 'g2'}}
27     int x;
28{
29  return x;
30}
31
32void 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
45extern void g3(int); // expected-note{{previous declaration is here}}
46static void g3(int x) { } // expected-error{{static declaration of 'g3' follows non-static declaration}}
47
48void 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>
63int outer1(int); // expected-note{{previous declaration is here}}
64struct outer3 { };
65int outer4(int);
66int outer5; // expected-note{{previous definition is here}}
67int *outer7(int);
68
69void 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); // expected-note{{previous declaration is here}}
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
78  int *ip7 = outer7(6);
79}
80
81int outer2(float); // expected-error{{conflicting types for 'outer2'}}
82int outer3(float); // expected-error{{conflicting types for 'outer3'}}
83int outer4(float); // expected-error{{conflicting types for 'outer4'}}
84
85void outer_test2(int x) {
86  int* ip = outer6(x); // expected-warning{{use of out-of-scope declaration of 'outer6'}}
87  int *ip2 = outer7(x);
88}
89