clang/test/OpenMP/sections_reduction_messages.cpp

   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;
  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
  38 void foo() {
  39 }
  40
  41 bool foobool(int argc) {
  42   return argc;
  43 }
  44
  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;
  57   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  58
  59 public:
  60   S2() : a(0) {}
  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;
  73   S3() : a(0) {}
  74   S3(const S3 &s3) : a(s3.a) {}
  75   S3 operator+(const S3 &arg1) { return arg1; }
  76 };
  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);
  85   S4 &operator+(const S4 &arg) { return (*this); }
  86
  87 public:
  88   S4(int v) : a(v) {}
  89 };
  90 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  91 class S5 {
  92   int a;
  93   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  94   S5(const S5 &s5) : a(s5.a) {}
  95   S5 &operator+(const S5 &arg);
  96
  97 public:
  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:
 107   S6() : a(6) {}
 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}}
 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
 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 }