1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 int foo(int);
3
4 namespace N {
f1()5 void f1() {
6 void foo(int); // okay
7 void bar(int); // expected-note 2{{previous declaration is here}}
8 }
9
10 void foo(int); // expected-note 3{{previous declaration is here}}
11
f2()12 void f2() {
13 int foo(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
14 int bar(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
15 int baz(int); // expected-note {{previous declaration is here}}
16
17 {
18 int foo;
19 int bar;
20 int baz;
21 {
22 float foo(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
23 float bar(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
24 float baz(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
25 }
26 }
27 }
28
f3()29 void f3() {
30 int foo(float);
31 {
32 float foo(int); // expected-error {{functions that differ only in their return type cannot be overloaded}}
33 }
34 }
35 }
36
37 class A {
38 void typocorrection(); // expected-note {{'typocorrection' declared here}}
39 };
40
Notypocorrection()41 void A::Notypocorrection() { // expected-error {{out-of-line definition of 'Notypocorrection' does not match any declaration in 'A'; did you mean 'typocorrection'}}
42 }
43
44
45 namespace test0 {
dummy()46 void dummy() {
47 void Bar(); // expected-note {{'Bar' declared here}}
48 class A {
49 friend void bar(); // expected-error {{no matching function 'bar' found in local scope; did you mean 'Bar'}}
50 };
51 }
52 }
53
54
55 class B {
56 void typocorrection(const int); // expected-note {{'typocorrection' declared here}}
57 void typocorrection(double);
58 };
59
Notypocorrection(int)60 void B::Notypocorrection(int) { // expected-error {{out-of-line definition of 'Notypocorrection' does not match any declaration in 'B'; did you mean 'typocorrection'}}
61 }
62
63 struct X { int f(); };
64 struct Y : public X {};
f()65 int Y::f() { return 3; } // expected-error {{out-of-line definition of 'f' does not match any declaration in 'Y'}}
66
67 namespace test1 {
68 struct Foo {
69 class Inner { };
70 };
71 }
72
73 class Bar {
74 void f(test1::Foo::Inner foo) const; // expected-note {{member declaration does not match because it is const qualified}}
75 };
76
77 using test1::Foo;
78
f(Foo::Inner foo)79 void Bar::f(Foo::Inner foo) { // expected-error {{out-of-line definition of 'f' does not match any declaration in 'Bar'}}
80 (void)foo;
81 }
82
83 class Crash {
84 public:
85 void GetCart(int count) const;
86 };
87 // This out-of-line definition was fine...
cart(int count) const88 void Crash::cart(int count) const {} // expected-error {{out-of-line definition of 'cart' does not match any declaration in 'Crash'}}
89 // ...while this one crashed clang
chart(int count) const90 void Crash::chart(int count) const {} // expected-error {{out-of-line definition of 'chart' does not match any declaration in 'Crash'}}
91
92 class TestConst {
93 public:
94 int getit() const; // expected-note {{member declaration does not match because it is const qualified}}
95 void setit(int); // expected-note {{member declaration does not match because it is not const qualified}}
96 };
97
getit()98 int TestConst::getit() { // expected-error {{out-of-line definition of 'getit' does not match any declaration in 'TestConst'}}
99 return 1;
100 }
101
setit(int) const102 void TestConst::setit(int) const { // expected-error {{out-of-line definition of 'setit' does not match any declaration in 'TestConst'}}
103 }
104
105 struct J { int typo() const; };
typo_()106 int J::typo_() { return 3; } // expected-error {{out-of-line definition of 'typo_' does not match any declaration in 'J'}}
107
108 // Ensure we correct the redecl of Foo::isGood to Bar::Foo::isGood and not
109 // Foo::IsGood even though Foo::IsGood is technically a closer match since it
110 // already has a body. Also make sure Foo::beEvil is corrected to Foo::BeEvil
111 // since it is a closer match than Bar::Foo::beEvil and neither have a body.
112 namespace redecl_typo {
113 namespace Foo {
IsGood()114 bool IsGood() { return false; }
115 void BeEvil(); // expected-note {{'BeEvil' declared here}}
116 }
117 namespace Bar {
118 namespace Foo {
119 bool isGood(); // expected-note {{'Bar::Foo::isGood' declared here}}
120 void beEvil();
121 }
122 }
isGood()123 bool Foo::isGood() { // expected-error {{out-of-line definition of 'isGood' does not match any declaration in namespace 'redecl_typo::Foo'; did you mean 'Bar::Foo::isGood'?}}
124 return true;
125 }
beEvil()126 void Foo::beEvil() {} // expected-error {{out-of-line definition of 'beEvil' does not match any declaration in namespace 'redecl_typo::Foo'; did you mean 'BeEvil'?}}
127 }
128
129 struct CVQualFun {
130 void func(int a, int &b); // expected-note {{type of 2nd parameter of member declaration does not match definition ('int &' vs 'int')}}
131 };
132
func(const int a,int b)133 void CVQualFun::func(const int a, int b) {} // expected-error {{out-of-line definition of 'func' does not match any declaration in 'CVQualFun'}}
134