1 | // RUN: %clang_cc1 -Wno-uninitialized -std=c++11 -verify %s |
2 | |
3 | template<int> struct c { c(int) = delete; typedef void val; operator int() const; }; |
4 | |
5 | int val; |
6 | int foobar; |
7 | struct S { |
8 | int k1 = a < b < c, d > ::val, e1; |
9 | int k2 = a < b, c < d > ::val, e2; |
10 | int k3 = b < a < c, d > ::val, e3; |
11 | int k4 = b < c, x, y = d > ::val, e4; |
12 | int k5 = T1 < b, &S::operator=(int); // expected-error {{extra qualification}} |
13 | int k6 = T2 < b, &S::operator= >::val; |
14 | int k7 = T1 < b, &S::operator>(int); // expected-error {{extra qualification}} |
15 | int k8 = T2 < b, &S::operator> >::val; |
16 | int k9 = T3 < a < b, c >> (d), e5 = 1 > (e4); |
17 | int k10 = 0 < T3 < a < b, c >> (d |
18 | ) // expected-error {{expected ';' at end of declaration}} |
19 | , a > (e4); |
20 | int k11 = 0 < 1, c<3>::*ptr; |
21 | int k12 = e < 0, int a<b<c>::* >(), e11; |
22 | |
23 | void f1( |
24 | int k1 = a < b < c, d > ::val, |
25 | int k2 = b < a < c, d > ::val, |
26 | int k3 = b < c, int x = 0 > ::val, |
27 | int k4 = a < b, T3 < int > >(), // expected-error {{must be an expression}} |
28 | int k5 = a < b, c < d > ::val, |
29 | int k6 = a < b, c < d > (n) // expected-error {{undeclared identifier 'n'}} |
30 | ); |
31 | |
32 | void f2a( |
33 | // T3<int> here is a parameter type, so must be declared before it is used. |
34 | int k1 = c < b, T3 < int > x = 0 // expected-error {{unexpected end of default argument expression}} |
35 | ); |
36 | |
37 | template<typename, int=0> struct T3 { T3(int); operator int(); }; |
38 | |
39 | void f2b( |
40 | int k1 = c < b, T3 < int > x = 0 // ok |
41 | ); |
42 | |
43 | // This is a one-parameter function. Ensure we don't typo-correct it to |
44 | // int = a < b, c < foobar > () |
45 | // ... which would be a function with two parameters. |
46 | int f3(int = a < b, c < goobar > ()); |
47 | static constexpr int (S::*f3_test)(int) = &S::f3; |
48 | |
49 | void f4( |
50 | int k1 = a<1,2>::val, |
51 | int missing_default // expected-error {{missing default argument on parameter}} |
52 | ); |
53 | |
54 | void f5( |
55 | int k1 = b < c, |
56 | int missing_default // expected-error {{missing default argument on parameter}} |
57 | ); |
58 | |
59 | void f6( |
60 | int k = b < c, |
61 | unsigned int (missing_default) // expected-error {{missing default argument on parameter}} |
62 | ); |
63 | |
64 | template<int, int=0> struct a { static const int val = 0; operator int(); }; // expected-note {{here}} |
65 | static const int b = 0, c = 1, d = 2, goobar = 3; |
66 | template<int, typename> struct e { operator int(); }; |
67 | |
68 | int mp1 = 0 < 1, |
69 | a<b<c,b<c>::*mp2, |
70 | mp3 = 0 > a<b<c>::val, |
71 | a<b<c,b<c>::*mp4 = 0, |
72 | a<b<c,b<c>::*mp5 {0}, |
73 | a<b<c,b<c>::*mp6; |
74 | |
75 | int np1 = e<0, int a<b<c,b<c>::*>(); |
76 | |
77 | static const int T1 = 4; |
78 | template<int, int &(S::*)(int)> struct T2 { static const int val = 0; }; |
79 | }; |
80 | |
81 | namespace NoAnnotationTokens { |
82 | template<bool> struct Bool { Bool(int); }; |
83 | static const bool in_class = false; |
84 | |
85 | struct Test { |
86 | // Check we don't keep around a Bool<false> annotation token here. |
87 | int f(Bool<true> = X<Y, Bool<in_class> >(0)); |
88 | |
89 | // But it's OK if we do here. |
90 | int g(Bool<true> = Z<Y, Bool<in_class> = Bool<false>(0)); |
91 | |
92 | static const bool in_class = true; |
93 | template<int, typename U> using X = U; |
94 | static const int Y = 0, Z = 0; |
95 | }; |
96 | } |
97 | |
98 | namespace ImplicitInstantiation { |
99 | template<typename T> struct HasError { typename T::error error; }; // expected-error {{has no members}} |
100 | |
101 | struct S { |
102 | // This triggers the instantiation of the outer HasError<int> during |
103 | // disambiguation, even though it uses the inner HasError<int>. |
104 | void f(int a = X<Y, HasError<int>::Z >()); // expected-note {{in instantiation of}} |
105 | |
106 | template<typename, typename> struct X { operator int(); }; |
107 | typedef int Y; |
108 | template<typename> struct HasError { typedef int Z; }; |
109 | }; |
110 | |
111 | HasError<int> hei; |
112 | } |
113 | |
114 | namespace CWG325 { |
115 | template <int A, typename B> struct T { static int i; operator int(); }; |
116 | class C { |
117 | int Foo (int i = T<1, int>::i); |
118 | }; |
119 | |
120 | class D { |
121 | int Foo (int i = T<1, int>::i); |
122 | template <int A, typename B> struct T {static int i;}; |
123 | }; |
124 | |
125 | const int a = 0; |
126 | typedef int b; |
127 | T<a,b> c; |
128 | struct E { |
129 | int n = T<a,b>(c); |
130 | }; |
131 | } |
132 | |
133 | namespace Operators { |
134 | struct Y {}; |
135 | constexpr int operator,(const Y&, const Y&) { return 8; } |
136 | constexpr int operator>(const Y&, const Y&) { return 8; } |
137 | constexpr int operator<(const Y&, const Y&) { return 8; } |
138 | constexpr int operator>>(const Y&, const Y&) { return 8; } |
139 | |
140 | struct X { |
141 | typedef int (*Fn)(const Y&, const Y&); |
142 | |
143 | Fn a = operator,, b = operator<, c = operator>; |
144 | void f(Fn a = operator,, Fn b = operator<, Fn c = operator>); |
145 | |
146 | int k1 = T1<0, operator<, operator>, operator<>::val, l1; |
147 | int k2 = T1<0, operator>, operator,, operator,>::val, l2; |
148 | int k3 = T2<0, operator,(Y{}, Y{}), operator<(Y{}, Y{})>::val, l3; |
149 | int k4 = T2<0, operator>(Y{}, Y{}), operator,(Y{}, Y{})>::val, l4; |
150 | int k5 = T3<0, operator>>>::val, l5; |
151 | int k6 = T4<0, T3<0, operator>>>>::val, l6; |
152 | |
153 | template<int, Fn, Fn, Fn> struct T1 { enum { val }; }; |
154 | template<int, int, int> struct T2 { enum { val }; }; |
155 | template<int, Fn> struct T3 { enum { val }; }; |
156 | template<int, typename T> struct T4 : T {}; |
157 | }; |
158 | } |
159 | |
160 | namespace ElaboratedTypeSpecifiers { |
161 | struct S { |
162 | int f(int x = T<a, struct S>()); |
163 | int h(int x = T<a, union __attribute__(()) U>()); |
164 | int i(int x = T<a, enum E>()); |
165 | int j(int x = T<a, struct S::template T<0, enum E>>()); |
166 | template <int, typename> struct T { operator int(); }; |
167 | static const int a = 0; |
168 | enum E {}; |
169 | }; |
170 | } |
171 | |
172 | namespace PR20459 { |
173 | template <typename EncTraits> struct A { |
174 | void foo(int = EncTraits::template TypeEnc<int, int>::val); // ok |
175 | }; |
176 | } |
177 | |