1 // RUN: %clang_cc1 -fcxx-exceptions -fsyntax-only -verify -W -Wall -Wno-deprecated-builtins -Wno-unused-but-set-variable -Wrange-loop-analysis -triple arm64-linux-gnu -target-feature +sve -std=c++98 %s
2 // RUN: %clang_cc1 -fcxx-exceptions -fsyntax-only -verify -W -Wall -Wno-deprecated-builtins -Wno-unused-but-set-variable -Wrange-loop-analysis -triple arm64-linux-gnu -target-feature +sve -std=c++11 %s
3 // RUN: %clang_cc1 -fcxx-exceptions -fsyntax-only -verify -W -Wall -Wno-deprecated-builtins -Wno-unused-but-set-variable -Wrange-loop-analysis -triple arm64-linux-gnu -target-feature +sve -std=c++17 %s
4 // RUN: %clang_cc1 -fcxx-exceptions -fsyntax-only -verify -W -Wall -Wno-deprecated-builtins -Wno-unused-but-set-variable -Wrange-loop-analysis -triple arm64-linux-gnu -target-feature +sve -std=gnu++17 %s
5
6 namespace std {
7 struct type_info;
8 }
9
10 typedef __SVInt8_t svint8_t;
11 typedef __SVInt16_t svint16_t;
12
13 svint8_t global_int8; // expected-error {{non-local variable with sizeless type 'svint8_t'}}
14 extern svint8_t extern_int8; // expected-error {{non-local variable with sizeless type 'svint8_t'}}
15 static svint8_t static_int8; // expected-error {{non-local variable with sizeless type 'svint8_t'}}
16 __thread svint8_t thread_int8; // expected-error {{non-local variable with sizeless type 'svint8_t'}}
17 svint8_t *global_int8_ptr;
18 extern svint8_t *extern_int8_ptr;
19 static svint8_t *static_int8_ptr;
20
21 typedef svint8_t int8_typedef;
22 typedef svint8_t *int8_ptr_typedef;
23
24 int sizeof_int8 = sizeof(svint8_t); // expected-error {{invalid application of 'sizeof' to sizeless type 'svint8_t'}}
25 int sizeof_int8_var = sizeof(*extern_int8_ptr); // expected-error {{invalid application of 'sizeof' to sizeless type 'svint8_t'}}
26 int sizeof_int8_var_ptr = sizeof(extern_int8_ptr);
27
28 #if __cplusplus >= 201103L
29 int alignof_int8 = alignof(svint8_t); // expected-error {{invalid application of 'alignof' to sizeless type 'svint8_t'}}
30 int alignof_int8_var = alignof(*extern_int8_ptr); // expected-error {{invalid application of 'alignof' to sizeless type 'svint8_t'}} expected-warning {{GNU extension}}
31 int alignof_int8_var_ptr = alignof(extern_int8_ptr); // expected-warning {{GNU extension}}
32 #else
33 int alignof_int8 = _Alignof(svint8_t); // expected-error {{invalid application of 'alignof' to sizeless type 'svint8_t'}}
34 int alignof_int8_var = _Alignof(*extern_int8_ptr); // expected-error {{invalid application of 'alignof' to sizeless type 'svint8_t'}} expected-warning {{GNU extension}}
35 int alignof_int8_var_ptr = _Alignof(extern_int8_ptr); // expected-warning {{GNU extension}}
36 #endif
37
38 void pass_int8(svint8_t); // expected-note {{no known conversion}}
39
40 svint8_t return_int8();
41
42 typedef svint8_t vec_int8_a __attribute__((vector_size(64))); // expected-error {{invalid vector element type}}
43 typedef svint8_t vec_int8_b __attribute__((ext_vector_type(4))); // expected-error {{invalid vector element type}}
44
45 void dump(const volatile void *);
46
47 void overf(svint8_t);
48 void overf(svint16_t);
49
50 void overf8(svint8_t); // expected-note + {{not viable}}
51 void overf8(int); // expected-note + {{not viable}}
52
53 void overf16(svint16_t); // expected-note + {{not viable}}
54 void overf16(int); // expected-note + {{not viable}}
55
56 void varargs(int, ...);
57
unused()58 void unused() {
59 svint8_t unused_int8; // expected-warning {{unused}}
60 }
61
62 struct incomplete_struct *incomplete_ptr;
63
64 typedef svint8_t sizeless_array[1]; // expected-error {{array has sizeless element type}}
65
func(int sel)66 void func(int sel) {
67 static svint8_t static_int8; // expected-error {{non-local variable with sizeless type 'svint8_t'}}
68
69 svint8_t local_int8;
70 svint16_t local_int16;
71
72 svint8_t __attribute__((aligned)) aligned_int8_1; // expected-error {{'aligned' attribute cannot be applied to sizeless type 'svint8_t'}}
73 svint8_t __attribute__((aligned(4))) aligned_int8_2; // expected-error {{'aligned' attribute cannot be applied to sizeless type 'svint8_t'}}
74 svint8_t _Alignas(int) aligned_int8_3; // expected-error {{'_Alignas' attribute cannot be applied to sizeless type 'svint8_t'}}
75
76 int _Alignas(svint8_t) aligned_int; // expected-error {{invalid application of 'alignof' to sizeless type 'svint8_t'}}
77
78 // Using pointers to sizeless data isn't wrong here, but because the
79 // type is incomplete, it doesn't provide any alignment guarantees.
80 _Static_assert(__atomic_is_lock_free(1, &local_int8) == __atomic_is_lock_free(1, incomplete_ptr), "");
81 _Static_assert(__atomic_is_lock_free(2, &local_int8) == __atomic_is_lock_free(2, incomplete_ptr), ""); // expected-error {{static assertion expression is not an integral constant expression}}
82 _Static_assert(__atomic_always_lock_free(1, &local_int8) == __atomic_always_lock_free(1, incomplete_ptr), "");
83
84 local_int8; // expected-warning {{expression result unused}}
85
86 (void)local_int8;
87
88 local_int8, 0; // expected-warning {{left operand of comma operator has no effect}}
89
90 0, local_int8; // expected-warning {{left operand of comma operator has no effect}} expected-warning {{expression result unused}}
91
92 svint8_t init_int8 = local_int8;
93 svint8_t bad_init_int8 = for; // expected-error {{expected expression}}
94
95 #if __cplusplus >= 201103L
96 int empty_brace_init_int = {};
97 svint8_t empty_brace_init_int8 = {};
98 #else
99 int empty_brace_init_int = {}; // expected-error {{scalar initializer cannot be empty}}
100 svint8_t empty_brace_init_int8 = {}; // expected-error {{initializer for sizeless type 'svint8_t' (aka '__SVInt8_t') cannot be empty}}
101 #endif
102 svint8_t brace_init_int8 = {local_int8};
103 svint8_t bad_brace_init_int8_1 = {local_int8, 0}; // expected-error {{excess elements in initializer for indivisible sizeless type 'svint8_t'}}
104 svint8_t bad_brace_init_int8_2 = {0}; // expected-error {{rvalue of type 'int'}}
105 svint8_t bad_brace_init_int8_3 = {local_int16}; // expected-error {{lvalue of type 'svint16_t'}}
106 svint8_t bad_brace_init_int8_4 = {[0] = local_int8}; // expected-error {{designator in initializer for indivisible sizeless type 'svint8_t'}} expected-warning {{array designators are a C99 extension}}
107 svint8_t bad_brace_init_int8_5 = {{local_int8}}; // expected-warning {{too many braces around initializer}}
108 svint8_t bad_brace_init_int8_6 = {{local_int8, 0}}; // expected-warning {{too many braces around initializer}}
109
110 const svint8_t const_int8 = local_int8; // expected-note {{declared const here}}
111 const svint8_t uninit_const_int8; // expected-error {{default initialization of an object of const type 'const svint8_t'}}
112
113 volatile svint8_t volatile_int8;
114
115 const volatile svint8_t const_volatile_int8 = local_int8; // expected-note {{declared const here}}
116 const volatile svint8_t uninit_const_volatile_int8; // expected-error {{default initialization of an object of const type 'const volatile svint8_t'}}
117
118 _Atomic svint8_t atomic_int8; // expected-error {{_Atomic cannot be applied to sizeless type 'svint8_t'}}
119 __restrict svint8_t restrict_int8; // expected-error {{requires a pointer or reference}}
120
121 svint8_t array_int8[1]; // expected-error {{array has sizeless element type}}
122 svint8_t array_int8_init[] = {}; // expected-error {{array has sizeless element type}}
123
124 bool test_int8 = init_int8; // expected-error {{cannot initialize a variable of type 'bool' with an lvalue of type 'svint8_t'}}
125
126 int int_int8 = init_int8; // expected-error {{cannot initialize a variable of type 'int' with an lvalue of type 'svint8_t'}}
127
128 init_int8 = local_int8;
129 init_int8 = local_int16; // expected-error {{assigning to 'svint8_t' (aka '__SVInt8_t') from incompatible type 'svint16_t'}}
130 init_int8 = sel; // expected-error {{assigning to 'svint8_t' (aka '__SVInt8_t') from incompatible type 'int'}}
131
132 sel = local_int8; // expected-error {{assigning to 'int' from incompatible type 'svint8_t'}}
133
134 local_int8 = (svint8_t)local_int8;
135 local_int8 = (const svint8_t)local_int8;
136 local_int8 = (svint8_t)local_int16; // expected-error {{C-style cast from 'svint16_t' (aka '__SVInt16_t') to 'svint8_t' (aka '__SVInt8_t') is not allowed}}
137 local_int8 = (svint8_t)0; // expected-error {{C-style cast from 'int' to 'svint8_t' (aka '__SVInt8_t') is not allowed}}
138 sel = (int)local_int8; // expected-error {{C-style cast from 'svint8_t' (aka '__SVInt8_t') to 'int' is not allowed}}
139
140 init_int8 = local_int8;
141 init_int8 = const_int8;
142 init_int8 = volatile_int8;
143 init_int8 = const_volatile_int8;
144
145 const_int8 = local_int8; // expected-error {{cannot assign to variable 'const_int8' with const-qualified type 'const svint8_t'}}
146
147 volatile_int8 = local_int8;
148 volatile_int8 = const_int8;
149 volatile_int8 = volatile_int8;
150 volatile_int8 = const_volatile_int8;
151
152 const_volatile_int8 = local_int8; // expected-error {{cannot assign to variable 'const_volatile_int8' with const-qualified type 'const volatile svint8_t'}}
153
154 init_int8 = sel ? init_int8 : local_int8;
155 init_int8 = sel ? init_int8 : const_int8;
156 init_int8 = sel ? volatile_int8 : const_int8;
157 init_int8 = sel ? volatile_int8 : const_volatile_int8;
158
159 pass_int8(local_int8);
160 pass_int8(local_int16); // expected-error {{no matching function}}
161
162 local_int8 = return_int8();
163 local_int16 = return_int8(); // expected-error {{assigning to 'svint16_t' (aka '__SVInt16_t') from incompatible type 'svint8_t'}}
164
165 dump(&local_int8);
166 dump(&const_int8);
167 dump(&volatile_int8);
168 dump(&const_volatile_int8);
169
170 dump(&local_int8 + 1); // expected-error {{arithmetic on a pointer to sizeless type}}
171
172 *&local_int8 = local_int8;
173 *&const_int8 = local_int8; // expected-error {{read-only variable is not assignable}}
174 *&volatile_int8 = local_int8;
175 *&const_volatile_int8 = local_int8; // expected-error {{read-only variable is not assignable}}
176
177 global_int8_ptr[0] = local_int8; // expected-error {{subscript of pointer to sizeless type 'svint8_t'}}
178 global_int8_ptr[1] = local_int8; // expected-error {{subscript of pointer to sizeless type 'svint8_t'}}
179 global_int8_ptr = &global_int8_ptr[2]; // expected-error {{subscript of pointer to sizeless type 'svint8_t'}}
180
181 overf(local_int8);
182 overf(local_int16);
183
184 overf8(local_int8);
185 overf8(local_int16); // expected-error {{no matching function}}
186
187 overf16(local_int8); // expected-error {{no matching function}}
188 overf16(local_int16);
189
190 varargs(1, local_int8, local_int16);
191
192 global_int8_ptr++; // expected-error {{arithmetic on a pointer to sizeless type}}
193 global_int8_ptr--; // expected-error {{arithmetic on a pointer to sizeless type}}
194 ++global_int8_ptr; // expected-error {{arithmetic on a pointer to sizeless type}}
195 --global_int8_ptr; // expected-error {{arithmetic on a pointer to sizeless type}}
196 global_int8_ptr + 1; // expected-error {{arithmetic on a pointer to sizeless type}}
197 global_int8_ptr - 1; // expected-error {{arithmetic on a pointer to sizeless type}}
198 global_int8_ptr += 1; // expected-error {{arithmetic on a pointer to sizeless type}}
199 global_int8_ptr -= 1; // expected-error {{arithmetic on a pointer to sizeless type}}
200 global_int8_ptr - global_int8_ptr; // expected-error {{arithmetic on a pointer to sizeless type}}
201
202 ++init_int8; // expected-error {{cannot increment value of type 'svint8_t'}}
203 init_int8++; // expected-error {{cannot increment value of type 'svint8_t'}}
204 --init_int8; // expected-error {{cannot decrement value of type 'svint8_t'}}
205 init_int8--; // expected-error {{cannot decrement value of type 'svint8_t'}}
206 !init_int8; // expected-error {{invalid argument type 'svint8_t'}}
207 *init_int8; // expected-error {{indirection requires pointer operand}}
208 __real init_int8; // expected-error {{invalid type 'svint8_t'}}
209 __imag init_int8; // expected-error {{invalid type 'svint8_t'}}
210
211 local_int8 &&init_int8; // expected-error {{invalid operands to binary expression}} expected-error {{not contextually convertible}}
212 local_int8 || init_int8; // expected-error {{invalid operands to binary expression}} expected-error {{not contextually convertible}}
213
214 if (local_int8) { // expected-error {{not contextually convertible to 'bool'}}
215 }
216 while (local_int8) { // expected-error {{not contextually convertible to 'bool'}}
217 }
218 do {
219 } while (local_int8); // expected-error {{not contextually convertible to 'bool'}}
220 switch (local_int8) { // expected-error {{statement requires expression of integer type}}
221 default:;
222 }
223 }
224
vararg_receiver(int count,svint8_t first,...)225 int vararg_receiver(int count, svint8_t first, ...) {
226 __builtin_va_list va;
227
228 __builtin_va_start(va, first);
229 __builtin_va_arg(va, svint8_t);
230 __builtin_va_end(va);
231 return count;
232 }
233
234 struct sized_struct {
235 int f1;
236 svint8_t f2; // expected-error {{field has sizeless type 'svint8_t'}}
237 svint8_t f3 : 2; // expected-error {{field has sizeless type 'svint8_t'}}
238 svint8_t : 3; // expected-error {{field has sizeless type 'svint8_t'}}
239 };
240
241 union sized_union {
242 int f1;
243 svint8_t f2; // expected-error {{field has sizeless type 'svint8_t'}}
244 svint8_t f3 : 2; // expected-error {{field has sizeless type 'svint8_t'}}
245 svint8_t : 3; // expected-error {{field has sizeless type 'svint8_t'}}
246 };
247
248 void pass_int8_ref(svint8_t &); // expected-note {{not viable}}
249
250 svint8_t &return_int8_ref();
251 #if __cplusplus >= 201103L
252 svint8_t &&return_int8_rvalue_ref();
253 #endif
254
255 template <typename T>
256 struct s_template {
257 T y; // expected-error {{field has sizeless type '__SVInt8_t'}}
258 };
259
260 template <typename T>
261 struct s_ptr_template {
262 s_ptr_template();
263 s_ptr_template(T, svint8_t = svint8_t());
264 s_ptr_template(const s_ptr_template &, svint8_t = svint8_t());
265 T *y;
266 };
267
268 template <typename T>
269 struct s_array_template {
270 T y[1]; // expected-error {{array has sizeless element type}}
271 };
272
273 struct widget {
274 widget(s_ptr_template<int>);
275 svint8_t operator[](int);
276 };
277
278 template <typename T>
279 struct wrapper_iterator {
280 T operator++();
281 T operator*() const;
282 bool operator!=(const wrapper_iterator &) const;
283 };
284
285 template <typename T>
286 struct wrapper {
287 wrapper();
288 operator T() const;
289 wrapper_iterator<T> begin() const;
290 wrapper_iterator<T> end() const;
291 };
292
293 #if __cplusplus >= 201103L
294 struct explicit_conv {
295 explicit operator svint8_t() const; // expected-note {{explicit conversion function is not a candidate}}
296 };
297 #endif
298
299 struct constructible_from_sizeless {
300 constructible_from_sizeless(svint8_t);
301 };
302
303 void with_default(svint8_t = svint8_t());
304
305 #if __cplusplus >= 201103L
ce_taking_int8(svint8_t)306 constexpr int ce_taking_int8(svint8_t) { return 1; } // expected-error {{constexpr function's 1st parameter type 'svint8_t' (aka '__SVInt8_t') is not a literal type}}
307 #endif
308
309 #if __cplusplus < 201703L
310 void throwing_func() throw(svint8_t); // expected-error {{sizeless type 'svint8_t' (aka '__SVInt8_t') is not allowed in exception specification}}
311 void throwing_pointer_func() throw(svint8_t *);
312 void throwing_reference_func() throw(svint8_t &); // expected-error {{reference to sizeless type 'svint8_t' (aka '__SVInt8_t') is not allowed in exception specification}}
313 #endif
314
315 template <typename T>
template_fn_direct(T)316 void template_fn_direct(T) {}
317 template <typename T>
template_fn_ref(T &)318 void template_fn_ref(T &) {}
319 template <typename T>
template_fn_const_ref(const T &)320 void template_fn_const_ref(const T &) {}
321 #if __cplusplus >= 201103L
322 template <typename T>
template_fn_rvalue_ref(T &&)323 void template_fn_rvalue_ref(T &&) {}
324 #endif
325
326 #if __cplusplus >= 201103L
327 template <typename T>
328 using array_alias = T[1]; // expected-error {{array has sizeless element type '__SVInt8_t'}}
329 extern array_alias<int> *array_alias_int_ptr;
330 extern array_alias<svint8_t> *array_alias_int8_ptr; // expected-note {{in instantiation of template type alias 'array_alias' requested here}}
331 #endif
332
333 extern "C" svint8_t c_return_int8();
334
cxx_only(int sel)335 void cxx_only(int sel) {
336 svint8_t local_int8;
337 svint16_t local_int16;
338
339 pass_int8_ref(local_int8);
340 pass_int8_ref(local_int16); // expected-error {{no matching function}}
341
342 local_int8 = return_int8_ref();
343 local_int16 = return_int8_ref(); // expected-error {{assigning to 'svint16_t' (aka '__SVInt16_t') from incompatible type 'svint8_t'}}
344 return_int8_ref() = local_int8;
345 return_int8_ref() = local_int16; // expected-error {{assigning to 'svint8_t' (aka '__SVInt8_t') from incompatible type 'svint16_t'}}
346
347 #if __cplusplus >= 201103L
348 local_int8 = return_int8_rvalue_ref();
349 local_int16 = return_int8_rvalue_ref(); // expected-error {{assigning to 'svint16_t' (aka '__SVInt16_t') from incompatible type 'svint8_t'}}
350
351 return_int8_rvalue_ref() = local_int8; // expected-error {{expression is not assignable}}
352 return_int8_rvalue_ref() = local_int16; // expected-error {{expression is not assignable}}
353 #endif
354
355 local_int8 = static_cast<svint8_t>(local_int8);
356 local_int8 = static_cast<svint8_t>(local_int16); // expected-error {{static_cast from 'svint16_t' (aka '__SVInt16_t') to 'svint8_t' (aka '__SVInt8_t') is not allowed}}
357 local_int8 = static_cast<svint8_t>(0); // expected-error {{static_cast from 'int' to 'svint8_t' (aka '__SVInt8_t') is not allowed}}
358 local_int16 = static_cast<svint16_t>(local_int8); // expected-error {{static_cast from 'svint8_t' (aka '__SVInt8_t') to 'svint16_t' (aka '__SVInt16_t') is not allowed}}
359 sel = static_cast<int>(local_int8); // expected-error {{static_cast from 'svint8_t' (aka '__SVInt8_t') to 'int' is not allowed}}
360
361 throw local_int8; // expected-error {{cannot throw object of sizeless type 'svint8_t'}}
362 throw global_int8_ptr;
363
364 try {
365 } catch (int) {
366 }
367 try {
368 } catch (svint8_t) { // expected-error {{cannot catch sizeless type 'svint8_t'}}
369 }
370 try {
371 } catch (svint8_t *) {
372 }
373 try {
374 } catch (svint8_t &) { // expected-error {{cannot catch reference to sizeless type 'svint8_t'}}
375 }
376
377 new svint8_t; // expected-error {{allocation of sizeless type 'svint8_t'}}
378 new svint8_t(); // expected-error {{allocation of sizeless type 'svint8_t'}}
379 new svint8_t[10]; // expected-error {{allocation of sizeless type 'svint8_t'}}
380 new svint8_t *;
381
382 new (global_int8_ptr) svint8_t; // expected-error {{allocation of sizeless type 'svint8_t'}}
383 new (global_int8_ptr) svint8_t(); // expected-error {{allocation of sizeless type 'svint8_t'}}
384 new (global_int8_ptr) svint8_t[10]; // expected-error {{allocation of sizeless type 'svint8_t'}}
385
386 delete global_int8_ptr; // expected-error {{cannot delete expression of type 'svint8_t *'}}
387 delete[] global_int8_ptr; // expected-error {{cannot delete expression of type 'svint8_t *'}}
388
389 local_int8.~__SVInt8_t(); // expected-error {{object expression of non-scalar type 'svint8_t' (aka '__SVInt8_t') cannot be used in a pseudo-destructor expression}}
390
391 (void)svint8_t();
392
393 local_int8 = svint8_t();
394 local_int8 = svint16_t(); // expected-error {{assigning to 'svint8_t' (aka '__SVInt8_t') from incompatible type 'svint16_t'}}
395
396 s_template<int> st_int;
397 s_template<svint8_t> st_svint8; // expected-note {{in instantiation}}
398
399 s_ptr_template<int> st_ptr_int;
400 s_ptr_template<svint8_t> st_ptr_svint8;
401
402 widget w(1);
403 local_int8 = w[1];
404
405 s_array_template<int> st_array_int;
406 s_array_template<svint8_t> st_array_svint8; // expected-note {{in instantiation}}
407
408 local_int8 = static_cast<svint8_t>(wrapper<svint8_t>());
409 local_int16 = static_cast<svint8_t>(wrapper<svint8_t>()); // expected-error {{assigning to 'svint16_t' (aka '__SVInt16_t') from incompatible type 'svint8_t'}}
410
411 local_int8 = wrapper<svint8_t>();
412 local_int16 = wrapper<svint8_t>(); // expected-error {{assigning to 'svint16_t' (aka '__SVInt16_t') from incompatible type 'wrapper<svint8_t>'}}
413
414 svint8_t &ref_int8 = local_int8;
415 ref_int8 = ref_int8; // expected-warning {{explicitly assigning value of variable of type 'svint8_t' (aka '__SVInt8_t') to itself}}
416 ref_int8 = local_int8;
417 local_int8 = ref_int8;
418
419 #if __cplusplus >= 201103L
420 svint8_t zero_init_int8{};
421 svint8_t init_int8{local_int8};
422 svint8_t bad_brace_init_int8_1{local_int8, 0}; // expected-error {{excess elements in initializer for indivisible sizeless type 'svint8_t'}}
423 svint8_t bad_brace_init_int8_2{0}; // expected-error {{rvalue of type 'int'}}
424 svint8_t bad_brace_init_int8_3{local_int16}; // expected-error {{lvalue of type 'svint16_t'}}
425 svint8_t bad_brace_init_int8_4{[0] = local_int8}; // expected-error {{designator in initializer for indivisible sizeless type 'svint8_t'}} expected-warning {{array designators are a C99 extension}}
426 svint8_t bad_brace_init_int8_5{{local_int8}}; // expected-warning {{too many braces around initializer}}
427 svint8_t bad_brace_init_int8_6{{local_int8, 0}}; // expected-warning {{too many braces around initializer}}
428 svint8_t wrapper_init_int8{wrapper<svint8_t>()};
429 svint8_t &ref_init_int8{local_int8};
430
431 template_fn_direct<svint8_t>({wrapper<svint8_t>()});
432 #endif
433
434 template_fn_direct(local_int8);
435 template_fn_ref(local_int8);
436 template_fn_const_ref(local_int8);
437 #if __cplusplus >= 201103L
438 template_fn_rvalue_ref(local_int8);
439 #endif
440
441 #if __cplusplus >= 201103L
442 constexpr svint8_t ce_int8_a = wrapper<svint8_t>(); // expected-error {{constexpr variable cannot have non-literal type 'const svint8_t'}}
443 #endif
444
445 (void)typeid(__SVInt8_t);
446 (void)typeid(__SVInt8_t *);
447 (void)typeid(local_int8);
448 (void)typeid(ref_int8);
449 (void)typeid(static_int8_ptr);
450
451 _Static_assert(__is_trivially_copyable(svint8_t), "");
452 _Static_assert(__is_trivially_destructible(svint8_t), "");
453 _Static_assert(!__is_nothrow_assignable(svint8_t, svint8_t), "");
454 _Static_assert(__is_nothrow_assignable(svint8_t &, svint8_t), "");
455 _Static_assert(!__is_nothrow_assignable(svint8_t &, svint16_t), "");
456 _Static_assert(__is_constructible(svint8_t), "");
457 _Static_assert(__is_constructible(svint8_t, svint8_t), "");
458 _Static_assert(!__is_constructible(svint8_t, svint8_t, svint8_t), "");
459 _Static_assert(!__is_constructible(svint8_t, svint16_t), "");
460 _Static_assert(__is_nothrow_constructible(svint8_t), "");
461 _Static_assert(__is_nothrow_constructible(svint8_t, svint8_t), "");
462 _Static_assert(!__is_nothrow_constructible(svint8_t, svint16_t), "");
463 _Static_assert(!__is_assignable(svint8_t, svint8_t), "");
464 _Static_assert(__is_assignable(svint8_t &, svint8_t), "");
465 _Static_assert(!__is_assignable(svint8_t &, svint16_t), "");
466 _Static_assert(__has_nothrow_assign(svint8_t), "");
467 _Static_assert(__has_nothrow_move_assign(svint8_t), "");
468 _Static_assert(__has_nothrow_copy(svint8_t), "");
469 _Static_assert(__has_nothrow_constructor(svint8_t), "");
470 _Static_assert(__has_trivial_assign(svint8_t), "");
471 _Static_assert(__has_trivial_move_assign(svint8_t), "");
472 _Static_assert(__has_trivial_copy(svint8_t), "");
473 _Static_assert(__has_trivial_constructor(svint8_t), "");
474 _Static_assert(__has_trivial_move_constructor(svint8_t), "");
475 _Static_assert(__has_trivial_destructor(svint8_t), "");
476 _Static_assert(!__has_virtual_destructor(svint8_t), "");
477 _Static_assert(!__is_abstract(svint8_t), "");
478 _Static_assert(!__is_aggregate(svint8_t), "");
479 _Static_assert(!__is_base_of(svint8_t, svint8_t), "");
480 _Static_assert(!__is_class(svint8_t), "");
481 _Static_assert(__is_convertible_to(svint8_t, svint8_t), "");
482 _Static_assert(!__is_convertible_to(svint8_t, svint16_t), "");
483 _Static_assert(!__is_empty(svint8_t), "");
484 _Static_assert(!__is_enum(svint8_t), "");
485 _Static_assert(!__is_final(svint8_t), "");
486 _Static_assert(!__is_literal(svint8_t), "");
487 _Static_assert(__is_pod(svint8_t), "");
488 _Static_assert(!__is_polymorphic(svint8_t), "");
489 _Static_assert(__is_trivial(svint8_t), "");
490 _Static_assert(__is_object(svint8_t), "");
491 _Static_assert(!__is_arithmetic(svint8_t), "");
492 _Static_assert(!__is_floating_point(svint8_t), "");
493 _Static_assert(!__is_integral(svint8_t), "");
494 _Static_assert(!__is_void(svint8_t), "");
495 _Static_assert(!__is_array(svint8_t), "");
496 _Static_assert(!__is_function(svint8_t), "");
497 _Static_assert(!__is_reference(svint8_t), "");
498 _Static_assert(__is_reference(svint8_t &), "");
499 _Static_assert(__is_reference(const svint8_t &), "");
500 _Static_assert(!__is_lvalue_reference(svint8_t), "");
501 _Static_assert(__is_lvalue_reference(svint8_t &), "");
502 #if __cplusplus >= 201103L
503 _Static_assert(!__is_lvalue_reference(svint8_t &&), "");
504 #endif
505 _Static_assert(!__is_rvalue_reference(svint8_t), "");
506 _Static_assert(!__is_rvalue_reference(svint8_t &), "");
507 #if __cplusplus >= 201103L
508 _Static_assert(__is_rvalue_reference(svint8_t &&), "");
509 #endif
510 _Static_assert(!__is_fundamental(svint8_t), "");
511 _Static_assert(__is_object(svint8_t), "");
512 _Static_assert(!__is_scalar(svint8_t), "");
513 _Static_assert(!__is_compound(svint8_t), "");
514 _Static_assert(!__is_pointer(svint8_t), "");
515 _Static_assert(__is_pointer(svint8_t *), "");
516 _Static_assert(!__is_member_object_pointer(svint8_t), "");
517 _Static_assert(!__is_member_function_pointer(svint8_t), "");
518 _Static_assert(!__is_member_pointer(svint8_t), "");
519 _Static_assert(!__is_const(svint8_t), "");
520 _Static_assert(__is_const(const svint8_t), "");
521 _Static_assert(__is_const(const volatile svint8_t), "");
522 _Static_assert(!__is_volatile(svint8_t), "");
523 _Static_assert(__is_volatile(volatile svint8_t), "");
524 _Static_assert(__is_volatile(const volatile svint8_t), "");
525 _Static_assert(!__is_standard_layout(svint8_t), "");
526 // At present these types are opaque and don't have the properties
527 // implied by their name.
528 _Static_assert(!__is_signed(svint8_t), "");
529 _Static_assert(!__is_unsigned(svint8_t), "");
530
531 #if __cplusplus >= 201103L
532 auto auto_int8 = local_int8;
533 auto auto_int16 = local_int16;
534 #if __cplusplus >= 201703L
535 auto [auto_int8_a] = local_int8; // expected-error {{cannot decompose non-class, non-array type 'svint8_t' (aka '__SVInt8_t')}}
536 #endif
537 #endif
538
539 s_ptr_template<int> y;
540 s_ptr_template<int> &x = y;
541
542 constructible_from_sizeless cfs1(local_int8);
543 constructible_from_sizeless cfs2 = local_int8;
544 #if __cplusplus >= 201103L
545 constructible_from_sizeless cfs3{local_int8};
546 #endif
547
548 #if __cplusplus >= 201103L
549 local_int8 = ([]() { return svint8_t(); })();
550 local_int8 = ([]() -> svint8_t { return svint8_t(); })();
551 auto fn1 = [&local_int8](svint8_t x) { local_int8 = x; };
552 auto fn2 = [&local_int8](svint8_t *ptr) { *ptr = local_int8; };
553 #if __cplusplus >= 201703L
554 auto fn3 = [a(return_int8())] {}; // expected-error {{field has sizeless type 'svint8_t' (aka '__SVInt8_t')}}
555 #endif
556 auto fn4 = [local_int8](svint8_t *ptr) { *ptr = local_int8; }; // expected-error {{by-copy capture of variable 'local_int8' with sizeless type 'svint8_t'}}
557
558 for (auto x : local_int8) { // expected-error {{no viable 'begin' function available}}
559 }
560 for (auto x : wrapper<svint8_t>()) {
561 (void)x;
562 }
563 for (const svint8_t &x : wrapper<svint8_t>()) { // expected-warning {{loop variable 'x' binds to a temporary value produced by a range of type 'wrapper<svint8_t>'}} expected-note {{use non-reference type}}
564 (void)x;
565 }
566 for (const svint8_t x : wrapper<const svint8_t &>()) {
567 (void)x;
568 }
569 #endif
570 }
571
572 #if __cplusplus >= 201103L
ret_bad_conv()573 svint8_t ret_bad_conv() { return explicit_conv(); } // expected-error {{no viable conversion from returned value of type 'explicit_conv' to function return type 'svint8_t'}}
574
575 #pragma clang diagnostic warning "-Wc++98-compat"
576
incompat_init()577 void incompat_init() { __attribute__((unused)) svint8_t foo = {}; } // expected-warning {{initializing 'svint8_t' (aka '__SVInt8_t') from an empty initializer list is incompatible with C++98}}
578
579 #endif
580