1 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
2 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
3 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
4 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
5 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
6 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
8 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
9 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -o - %s -Wuninitialized
11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
13
14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
15 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
16 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
17 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
18 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
19 // RUN: %clang_cc1 -verify=expected,omp51 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
20 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -ferror-limit 150 -o - %s -Wuninitialized
21 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
22 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-simd -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
23 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -o - %s -Wuninitialized
24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -o - %s -Wuninitialized
25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -o - %s -Wuninitialized
26
27 extern int omp_default_mem_alloc;
xxx(int argc)28 void xxx(int argc) {
29 int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
30 #pragma omp parallel
31 #pragma omp sections reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
32 {
33 for (int i = 0; i < 10; ++i)
34 ;
35 }
36 }
37
foo()38 void foo() {
39 }
40
foobool(int argc)41 bool foobool(int argc) {
42 return argc;
43 }
44
foobar(int & ref)45 void foobar(int &ref) {
46 #pragma omp parallel
47 #pragma omp sections reduction(+:ref)
48 {
49 foo();
50 }
51 }
52
53 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
54 extern S1 a;
55 class S2 {
56 mutable int a;
operator +(const S2 & arg)57 S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
58
59 public:
S2()60 S2() : a(0) {}
S2(S2 & s2)61 S2(S2 &s2) : a(s2.a) {}
62 static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
63 static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
64 };
65 const float S2::S2sc = 0;
66 S2 b; // expected-note 3 {{'b' defined here}}
67 const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
68 class S3 {
69 int a;
70
71 public:
72 int b;
S3()73 S3() : a(0) {}
S3(const S3 & s3)74 S3(const S3 &s3) : a(s3.a) {}
operator +(const S3 & arg1)75 S3 operator+(const S3 &arg1) { return arg1; }
76 };
operator +(const S3 & arg1,const S3 & arg2)77 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
78 S3 c; // expected-note 3 {{'c' defined here}}
79 const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
80 extern const int f; // expected-note 4 {{'f' declared here}}
81 class S4 {
82 int a;
83 S4(); // expected-note {{implicitly declared private here}}
84 S4(const S4 &s4);
operator +(const S4 & arg)85 S4 &operator+(const S4 &arg) { return (*this); }
86
87 public:
S4(int v)88 S4(int v) : a(v) {}
89 };
operator &=(S4 & arg1,S4 & arg2)90 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
91 class S5 {
92 int a;
S5()93 S5() : a(0) {} // expected-note {{implicitly declared private here}}
S5(const S5 & s5)94 S5(const S5 &s5) : a(s5.a) {}
95 S5 &operator+(const S5 &arg);
96
97 public:
S5(int v)98 S5(int v) : a(v) {}
99 };
100 class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
101 #if __cplusplus >= 201103L // C++11 or later
102 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
103 #endif
104 int a;
105
106 public:
S6()107 S6() : a(6) {}
operator int()108 operator int() { return 6; }
109 } o;
110
111 S3 h, k;
112 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
113
114 template <class T> // expected-note {{declared here}}
tmain(T argc)115 T tmain(T argc) {
116 const T d = T(); // expected-note 4 {{'d' defined here}}
117 const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
118 T qa[5] = {T()};
119 T i, z;
120 T &j = i; // expected-note 4 {{'j' defined here}}
121 S3 &p = k; // expected-note 2 {{'p' defined here}}
122 const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
123 T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
124 T fl;
125 #pragma omp parallel
126 #pragma omp sections reduction // expected-error {{expected '(' after 'reduction'}}
127 {
128 foo();
129 }
130 #pragma omp parallel
131 #pragma omp sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp sections' are ignored}}
132 {
133 foo();
134 }
135 #pragma omp parallel
136 #pragma omp sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
137 {
138 foo();
139 }
140 #pragma omp parallel
141 #pragma omp sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
142 {
143 foo();
144 }
145 #pragma omp parallel
146 #pragma omp sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
147 {
148 foo();
149 }
150 #pragma omp parallel
151 #pragma omp sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
152 {
153 foo();
154 }
155 #pragma omp parallel
156 #pragma omp sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
157 {
158 foo();
159 }
160 #pragma omp parallel
161 #pragma omp sections reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
162 {
163 foo();
164 }
165 #pragma omp parallel
166 #pragma omp sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
167 {
168 foo();
169 }
170 #pragma omp parallel
171 #pragma omp sections reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
172 {
173 foo();
174 }
175 #pragma omp parallel
176 #pragma omp sections reduction(foo : argc) //omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
177 {
178 foo();
179 }
180 #pragma omp parallel
181 #pragma omp sections reduction(&& : argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
182 {
183 foo();
184 }
185 #pragma omp parallel
186 #pragma omp sections reduction(^ : T) // expected-error {{'T' does not refer to a value}}
187 {
188 foo();
189 }
190 #pragma omp parallel
191 #pragma omp sections reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
192 {
193 foo();
194 }
195 #pragma omp parallel
196 #pragma omp sections reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
197 {
198 foo();
199 }
200 #pragma omp parallel
201 #pragma omp sections reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
202 {
203 foo();
204 }
205 #pragma omp parallel
206 #pragma omp sections reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
207 {
208 foo();
209 }
210 #pragma omp parallel
211 #pragma omp sections reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
212 {
213 foo();
214 }
215 #pragma omp parallel
216 #pragma omp sections reduction(- : da) // expected-error 2 {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
217 {
218 foo();
219 }
220 #pragma omp parallel
221 #pragma omp sections reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
222 {
223 foo();
224 }
225 #pragma omp parallel
226 #pragma omp sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
227 {
228 foo();
229 }
230 #pragma omp parallel
231 #pragma omp sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
232 {
233 foo();
234 }
235 #pragma omp parallel
236 #pragma omp sections reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
237 {
238 foo();
239 }
240 #pragma omp parallel
241 #pragma omp sections reduction(+ : o, z) // expected-error 2 {{no viable overloaded '='}}
242 {
243 foo();
244 }
245 #pragma omp parallel
246 #pragma omp sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
247 {
248 foo();
249 }
250 #pragma omp parallel private(k)
251 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
252 {
253 foo();
254 }
255 #pragma omp parallel
256 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
257 {
258 foo();
259 }
260 #pragma omp parallel
261 #pragma omp sections reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
262 {
263 foo();
264 }
265 #pragma omp parallel shared(i)
266 #pragma omp parallel reduction(min : i)
267 #pragma omp sections reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
268 {
269 foo();
270 }
271 #pragma omp parallel private(fl) // expected-note 2 {{defined as private}}
272 #pragma omp sections reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
273 {
274 foo();
275 }
276 #pragma omp parallel reduction(* : fl) // expected-note 2 {{defined as reduction}}
277 #pragma omp sections reduction(+ : fl) // expected-error 2 {{reduction variable must be shared}}
278 {
279 foo();
280 }
281
282 return T();
283 }
284
285 namespace A {
286 double x;
287 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
288 }
289 namespace B {
290 using A::x;
291 }
292
main(int argc,char ** argv)293 int main(int argc, char **argv) {
294 const int d = 5; // expected-note 2 {{'d' defined here}}
295 const int da[5] = {0}; // expected-note {{'da' defined here}}
296 int qa[5] = {0};
297 S4 e(4);
298 S5 g(5);
299 int i, z;
300 int &j = i; // expected-note 2 {{'j' defined here}}
301 S3 &p = k; // expected-note 2 {{'p' defined here}}
302 const int &r = da[i]; // expected-note {{'r' defined here}}
303 int &q = qa[i]; // expected-note {{'q' defined here}}
304 float fl;
305 #pragma omp parallel
306 #pragma omp sections reduction // expected-error {{expected '(' after 'reduction'}}
307 {
308 foo();
309 }
310 #pragma omp parallel
311 #pragma omp sections reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp sections' are ignored}}
312 {
313 foo();
314 }
315 #pragma omp parallel
316 #pragma omp sections reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
317 {
318 foo();
319 }
320 #pragma omp parallel
321 #pragma omp sections reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
322 {
323 foo();
324 }
325 #pragma omp parallel
326 #pragma omp sections reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
327 {
328 foo();
329 }
330 #pragma omp parallel
331 #pragma omp sections reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
332 {
333 foo();
334 }
335 #pragma omp parallel
336 #pragma omp sections reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
337 {
338 foo();
339 }
340 #pragma omp parallel
341 #pragma omp sections reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp51-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp52-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp60-error {{incorrect reduction identifier, expected one of '+', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
342 {
343 foo();
344 }
345 #pragma omp parallel
346 #pragma omp sections reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
347 {
348 foo();
349 }
350 #pragma omp parallel
351 #pragma omp sections reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
352 {
353 foo();
354 }
355 #pragma omp parallel
356 #pragma omp sections reduction(~ : argc) // expected-error {{expected unqualified-id}}
357 {
358 foo();
359 }
360 #pragma omp parallel
361 #pragma omp sections reduction(&& : argc, z)
362 {
363 foo();
364 }
365 #pragma omp parallel
366 #pragma omp sections reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
367 {
368 foo();
369 }
370 #pragma omp parallel
371 #pragma omp sections reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
372 {
373 foo();
374 }
375 #pragma omp parallel
376 #pragma omp sections reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}}
377 {
378 foo();
379 }
380 #pragma omp parallel
381 #pragma omp sections reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
382 {
383 foo();
384 }
385 #pragma omp parallel
386 #pragma omp sections reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
387 {
388 foo();
389 }
390 #pragma omp parallel
391 #pragma omp sections reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
392 {
393 foo();
394 }
395 #pragma omp parallel
396 #pragma omp sections reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
397 {
398 foo();
399 }
400 #pragma omp parallel
401 #pragma omp sections reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
402 {
403 foo();
404 }
405 #pragma omp parallel
406 #pragma omp sections reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
407 {
408 foo();
409 }
410 #pragma omp parallel
411 #pragma omp sections reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
412 {
413 foo();
414 }
415 #pragma omp parallel
416 #pragma omp sections reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
417 {
418 foo();
419 }
420 #pragma omp parallel
421 #pragma omp sections reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
422 {
423 foo();
424 }
425 #pragma omp parallel
426 #pragma omp sections reduction(+ : o) // expected-error {{no viable overloaded '='}}
427 {
428 foo();
429 }
430 #pragma omp parallel
431 #pragma omp sections private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
432 {
433 foo();
434 }
435 #pragma omp parallel private(k)
436 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
437 {
438 foo();
439 }
440 #pragma omp parallel
441 #pragma omp sections reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
442 {
443 foo();
444 }
445 #pragma omp parallel
446 #pragma omp sections reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
447 {
448 foo();
449 }
450 #pragma omp parallel shared(i)
451 #pragma omp parallel reduction(min : i)
452 #pragma omp sections reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
453 {
454 foo();
455 }
456 #pragma omp parallel private(fl) // expected-note {{defined as private}}
457 #pragma omp sections reduction(+ : fl) // expected-error {{reduction variable must be shared}}
458 {
459 foo();
460 }
461 #pragma omp parallel reduction(* : fl) // expected-note {{defined as reduction}}
462 #pragma omp sections reduction(+ : fl) // expected-error {{reduction variable must be shared}}
463 {
464 foo();
465 }
466 static int m;
467 #pragma omp sections reduction(+ : m) // OK
468 {
469 foo();
470 }
471 #pragma omp sections reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
472 {
473 foo();
474 }
475
476 return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
477 }
478