1 | // RUN: %clang_cc1 -fsyntax-only -fshow-overloads=best -verify -triple x86_64-linux-gnu %s |
2 | // RUN: %clang_cc1 -fsyntax-only -fshow-overloads=best -verify -triple x86_64-linux-gnu -std=c++98 %s |
3 | // RUN: %clang_cc1 -fsyntax-only -fshow-overloads=best -verify -triple x86_64-linux-gnu -std=c++11 %s |
4 | |
5 | struct yes; |
6 | struct no; |
7 | |
8 | struct Short { |
9 | operator short(); |
10 | }; |
11 | |
12 | struct Long { |
13 | operator long(); |
14 | }; |
15 | |
16 | enum E1 { }; |
17 | struct Enum1 { |
18 | operator E1(); |
19 | }; |
20 | |
21 | enum E2 { }; |
22 | struct Enum2 { |
23 | operator E2(); |
24 | }; |
25 | |
26 | |
27 | struct X { |
28 | void f(); |
29 | }; |
30 | |
31 | typedef void (X::*pmf)(); |
32 | struct Xpmf { |
33 | operator pmf(); |
34 | }; |
35 | |
36 | yes& islong(long); |
37 | yes& islong(unsigned long); // FIXME: shouldn't be needed |
38 | no& islong(int); |
39 | |
40 | void f(Short s, Long l, Enum1 e1, Enum2 e2, Xpmf pmf) { |
41 | // C++ [over.built]p8 |
42 | int i1 = +e1; |
43 | int i2 = -e2; |
44 | |
45 | // C++ [over.built]p10: |
46 | int i3 = ~s; |
47 | bool b1 = !s; |
48 | |
49 | // C++ [over.built]p12 |
50 | (void)static_cast<yes&>(islong(s + l)); |
51 | (void)static_cast<no&>(islong(s + s)); |
52 | |
53 | // C++ [over.built]p16 |
54 | (void)(pmf == &X::f); |
55 | (void)(pmf == 0); |
56 | |
57 | // C++ [over.built]p17 |
58 | (void)static_cast<yes&>(islong(s % l)); |
59 | (void)static_cast<yes&>(islong(l << s)); |
60 | (void)static_cast<no&>(islong(s << l)); |
61 | (void)static_cast<yes&>(islong(e1 % l)); |
62 | // FIXME: should pass (void)static_cast<no&>(islong(e1 % e2)); |
63 | } |
64 | |
65 | struct BoolRef { |
66 | operator bool&(); |
67 | }; |
68 | |
69 | struct ShortRef { // expected-note{{candidate function (the implicit copy assignment operator) not viable}} |
70 | #if __cplusplus >= 201103L // C++11 or later |
71 | // expected-note@-2 {{candidate function (the implicit move assignment operator) not viable}} |
72 | #endif |
73 | operator short&(); |
74 | }; |
75 | |
76 | struct LongRef { |
77 | operator volatile long&(); |
78 | }; |
79 | |
80 | struct FloatRef { |
81 | operator float&(); |
82 | }; |
83 | |
84 | struct XpmfRef { // expected-note{{candidate function (the implicit copy assignment operator) not viable}} |
85 | #if __cplusplus >= 201103L // C++11 or later |
86 | // expected-note@-2 {{candidate function (the implicit move assignment operator) not viable}} |
87 | #endif |
88 | operator pmf&(); |
89 | }; |
90 | |
91 | struct E2Ref { |
92 | operator E2&(); |
93 | }; |
94 | |
95 | void g(BoolRef br, ShortRef sr, LongRef lr, FloatRef fr, E2Ref e2_ref, XpmfRef pmf_ref) { |
96 | // C++ [over.built]p3 |
97 | short s1 = sr++; |
98 | |
99 | // C++ [over.built]p4 |
100 | long l1 = lr--; |
101 | |
102 | // C++ [over.built]p4 |
103 | float f1 = fr--; |
104 | |
105 | // C++ [over.built]p4 |
106 | bool b2 = br--; // expected-error{{cannot decrement value of type 'BoolRef'}} |
107 | |
108 | // C++ [over.built]p18 |
109 | short& sr1 = (sr *= lr); |
110 | volatile long& lr1 = (lr *= sr); |
111 | |
112 | // C++ [over.built]p20: |
113 | E2 e2r2; |
114 | e2r2 = e2_ref; |
115 | |
116 | pmf &pmr = (pmf_ref = &X::f); // expected-error{{no viable overloaded '='}} |
117 | pmf pmr2; |
118 | pmr2 = pmf_ref; |
119 | |
120 | // C++ [over.built]p22 |
121 | short& sr2 = (sr %= lr); |
122 | volatile long& lr2 = (lr <<= sr); |
123 | |
124 | bool b1 = (sr && lr) || (sr || lr); |
125 | } |
126 | |
127 | struct VolatileIntPtr { |
128 | operator int volatile *(); |
129 | }; |
130 | |
131 | struct ConstIntPtr { |
132 | operator int const *(); |
133 | }; |
134 | |
135 | struct VolatileIntPtrRef { |
136 | operator int volatile *&(); |
137 | }; |
138 | |
139 | struct ConstIntPtrRef { |
140 | operator int const *&(); |
141 | }; |
142 | |
143 | void test_with_ptrs(VolatileIntPtr vip, ConstIntPtr cip, ShortRef sr, |
144 | VolatileIntPtrRef vipr, ConstIntPtrRef cipr) { |
145 | const int& cir1 = cip[sr]; |
146 | const int& cir2 = sr[cip]; |
147 | volatile int& vir1 = vip[sr]; |
148 | volatile int& vir2 = sr[vip]; |
149 | bool b1 = (vip == cip); |
150 | long p1 = vip - cip; |
151 | |
152 | // C++ [over.built]p5: |
153 | int volatile *vip1 = vipr++; |
154 | int const *cip1 = cipr++; |
155 | int volatile *&vipr1 = ++vipr; |
156 | int const *&cipr1 = --cipr; |
157 | |
158 | // C++ [over.built]p6: |
159 | int volatile &ivr = *vip; |
160 | |
161 | // C++ [over.built]p8: |
162 | int volatile *vip2 = +vip; |
163 | int i1 = +sr; |
164 | int i2 = -sr; |
165 | |
166 | // C++ [over.built]p13: |
167 | int volatile &ivr2 = vip[17]; |
168 | int const &icr2 = 17[cip]; |
169 | } |
170 | |
171 | // C++ [over.match.open]p4 |
172 | |
173 | void test_assign_restrictions(ShortRef& sr) { |
174 | sr = (short)0; // expected-error{{no viable overloaded '='}} |
175 | } |
176 | |
177 | struct Base { }; |
178 | struct Derived1 : Base { }; |
179 | struct Derived2 : Base { }; |
180 | |
181 | template<typename T> |
182 | struct ConvertibleToPtrOf { |
183 | operator T*(); |
184 | }; |
185 | |
186 | bool test_with_base_ptrs(ConvertibleToPtrOf<Derived1> d1, |
187 | ConvertibleToPtrOf<Derived2> d2) { |
188 | return d1 == d2; // expected-error{{invalid operands}} |
189 | } |
190 | |
191 | // DR425 |
192 | struct A { |
193 | template< typename T > operator T() const; |
194 | }; |
195 | |
196 | void test_dr425(A a) { |
197 | // FIXME: lots of candidates here! |
198 | (void)(1.0f * a); // expected-error{{ambiguous}} \ |
199 | // expected-note 4{{candidate}} \ |
200 | // expected-note {{remaining 140 candidates omitted; pass -fshow-overloads=all to show them}} |
201 | } |
202 | |
203 | // pr5432 |
204 | enum e {X}; |
205 | |
206 | const int a[][2] = {{1}}; |
207 | |
208 | int test_pr5432() { |
209 | return a[X][X]; |
210 | } |
211 | |
212 | void f() { |
213 | (void)__extension__(A()); |
214 | } |
215 | |
216 | namespace PR7319 { |
217 | typedef enum { Enum1, Enum2, Enum3 } MyEnum; |
218 | |
219 | template<typename X> bool operator>(const X &inX1, const X &inX2); |
220 | |
221 | void f() { |
222 | MyEnum e1, e2; |
223 | if (e1 > e2) {} |
224 | } |
225 | } |
226 | |
227 | namespace PR8477 { |
228 | struct Foo { |
229 | operator bool(); |
230 | operator const char *(); |
231 | }; |
232 | |
233 | bool doit() { |
234 | Foo foo; |
235 | long long zero = 0; |
236 | (void)(foo + zero); |
237 | (void)(foo - zero); |
238 | (void)(zero + foo); |
239 | (void)(zero[foo]); |
240 | (void)(foo - foo); // expected-error{{use of overloaded operator '-' is ambiguous}} \ |
241 | // expected-note 4{{built-in candidate operator-}} \ |
242 | // expected-note{{candidates omitted}} |
243 | return foo[zero] == zero; |
244 | } |
245 | } |
246 | |
247 | namespace PR7851 { |
248 | struct X { |
249 | operator const void *() const; |
250 | operator void *(); |
251 | |
252 | operator const unsigned *() const; |
253 | operator unsigned *(); |
254 | }; |
255 | |
256 | void f() { |
257 | X x; |
258 | x[0] = 1; |
259 | *x = 0; |
260 | (void)(x - x); |
261 | } |
262 | } |
263 | |
264 | namespace PR12854 { |
265 | enum { size = 1 }; |
266 | void plus_equals() { |
267 | int* __restrict py; |
268 | py += size; |
269 | } |
270 | |
271 | struct RestrictInt { |
272 | operator int* __restrict &(); |
273 | }; |
274 | |
275 | void user_conversions(RestrictInt ri) { |
276 | ++ri; |
277 | --ri; |
278 | ri++; |
279 | ri--; |
280 | } |
281 | } |
282 | |
283 | namespace PR12964 { |
284 | struct X { operator __int128() const; } x; |
285 | bool a = x == __int128(0); |
286 | bool b = x == 0; |
287 | |
288 | struct Y { operator unsigned __int128() const; } y; |
289 | bool c = y == __int128(0); |
290 | bool d = y == 0; |
291 | |
292 | bool e = x == y; |
293 | } |
294 | |