clang/test/OpenMP/masked_taskloop_simd_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,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
   5 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
   6 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
   7 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp -fopenmp-version=52 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
   8 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
   9 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  10 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  11
  12 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
  13 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  14 // RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  15 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
  16 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  17 // RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  18 // RUN: %clang_cc1 -verify=expected,omp52 -fopenmp-version=52 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  19 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -ferror-limit 150 -o - %s -Wuninitialized
  20 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  21 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  22
  23 typedef void **omp_allocator_handle_t;
  24 extern const omp_allocator_handle_t omp_null_allocator;
  25 extern const omp_allocator_handle_t omp_default_mem_alloc;
  26 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  27 extern const omp_allocator_handle_t omp_const_mem_alloc;
  28 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  29 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  30 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  31 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  32 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  33
  34 void xxx(int argc) {
  35   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  36 #pragma omp masked taskloop simd reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  37   for (int i = 0; i < 10; ++i)
  38     ;
  39 }
  40
  41 void foo() {
  42 }
  43
  44 bool foobool(int argc) {
  45   return argc;
  46 }
  47
  48 void foobar(int &ref) {
  49 #pragma omp masked taskloop simd reduction(+:ref)
  50   for (int i = 0; i < 10; ++i)
  51     foo();
  52 }
  53
  54 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  55 extern S1 a;
  56 class S2 {
  57   mutable int a;
  58   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  59
  60 public:
  61   S2() : a(0) {}
  62   S2(S2 &s2) : a(s2.a) {}
  63   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  64   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  65 };
  66 const float S2::S2sc = 0;
  67 S2 b;                     // expected-note 3 {{'b' defined here}}
  68 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  69 class S3 {
  70   int a;
  71
  72 public:
  73   int b;
  74   S3() : a(0) {}
  75   S3(const S3 &s3) : a(s3.a) {}
  76   S3 operator+(const S3 &arg1) { return arg1; }
  77 };
  78 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  79 S3 c;               // expected-note 3 {{'c' defined here}}
  80 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  81 extern const int f; // expected-note 4 {{'f' declared here}}
  82 class S4 {
  83   int a;
  84   S4(); // expected-note {{implicitly declared private here}}
  85   S4(const S4 &s4);
  86   S4 &operator+(const S4 &arg) { return (*this); }
  87
  88 public:
  89   S4(int v) : a(v) {}
  90 };
  91 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  92 class S5 {
  93   int a;
  94   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  95   S5(const S5 &s5) : a(s5.a) {}
  96   S5 &operator+(const S5 &arg);
  97
  98 public:
  99   S5(int v) : a(v) {}
 100 };
 101 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}}
 102 #if __cplusplus >= 201103L // C++11 or later
 103 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 104 #endif
 105   int a;
 106
 107 public:
 108   S6() : a(6) {}
 109   operator int() { return 6; }
 110 } o;
 111
 112 struct S7 {
 113   int a: 32;
 114   S7() {
 115 #pragma omp taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}}
 116     for (int i = 0; i < 10; ++i)
 117       ++a;
 118   }
 119 };
 120
 121 S3 h, k;
 122 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 123
 124 template <class T>       // expected-note {{declared here}}
 125 T tmain(T argc) {
 126   const T d = T();       // expected-note 4 {{'d' defined here}}
 127   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 128   T qa[5] = {T()};
 129   T i, z;
 130   T &j = i;                        // expected-note 4 {{'j' defined here}}
 131   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
 132   const T &r = da[(int)i];         // expected-note 2 {{'r' defined here}}
 133   T &q = qa[(int)i];               // expected-note 2 {{'q' defined here}}
 134   T fl;
 135 #pragma omp masked taskloop simd reduction // expected-error {{expected '(' after 'reduction'}}
 136   for (int i = 0; i < 10; ++i)
 137     foo();
 138 #pragma omp masked taskloop simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp masked taskloop simd' are ignored}}
 139   for (int i = 0; i < 10; ++i)
 140     foo();
 141 #pragma omp masked taskloop simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 142   for (int i = 0; i < 10; ++i)
 143     foo();
 144 #pragma omp masked taskloop simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 145   for (int i = 0; i < 10; ++i)
 146     foo();
 147 #pragma omp masked taskloop simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 148   for (int i = 0; i < 10; ++i)
 149     foo();
 150 #pragma omp masked taskloop simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 151   for (int i = 0; i < 10; ++i)
 152     foo();
 153 #pragma omp masked taskloop simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 154   for (int i = 0; i < 10; ++i)
 155     foo();
 156 #pragma omp masked taskloop simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 157   for (int i = 0; i < 10; ++i)
 158     foo();
 159 #pragma omp masked taskloop simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 160   for (int i = 0; i < 10; ++i)
 161     foo();
 162 #pragma omp masked taskloop simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 163   for (int i = 0; i < 10; ++i)
 164     foo();
 165 #pragma omp masked taskloop simd 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'}} omp50-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} omp50-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'}}
 166   for (int i = 0; i < 10; ++i)
 167     foo();
 168 #pragma omp masked taskloop simd 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 '('}}
 169   for (int i = 0; i < 10; ++i)
 170     foo();
 171 #pragma omp masked taskloop simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 172   for (int i = 0; i < 10; ++i)
 173     foo();
 174 #pragma omp masked taskloop simd 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'}}
 175   for (int i = 0; i < 10; ++i)
 176     foo();
 177 #pragma omp masked taskloop simd 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}}
 178   for (int i = 0; i < 10; ++i)
 179     foo();
 180 #pragma omp masked taskloop simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 181   for (int i = 0; i < 10; ++i)
 182     foo();
 183 #pragma omp masked taskloop simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 184   for (int i = 0; i < 10; ++i)
 185     foo();
 186 #pragma omp masked taskloop simd reduction(* : z, ca) // expected-error {{const-qualified variable cannot be reduction}}
 187   for (int i = 0; i < 10; ++i)
 188     foo();
 189 #pragma omp masked taskloop simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}} omp52-warning 3 {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 190   for (int i = 0; i < 10; ++i)
 191     foo();
 192 #pragma omp masked taskloop simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 193   for (int i = 0; i < 10; ++i)
 194     foo();
 195 #pragma omp masked taskloop simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 196   for (int i = 0; i < 10; ++i)
 197     foo();
 198 #pragma omp masked taskloop simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 199   for (int i = 0; i < 10; ++i)
 200     foo();
 201 #pragma omp masked taskloop simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 202   for (int i = 0; i < 10; ++i)
 203     foo();
 204 #pragma omp masked taskloop simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 205   for (int i = 0; i < 10; ++i)
 206     foo();
 207 #pragma omp masked taskloop simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 208   for (int i = 0; i < 10; ++i)
 209     foo();
 210 #pragma omp parallel private(k)
 211 #pragma omp masked taskloop simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 212   for (int i = 0; i < 10; ++i)
 213     foo();
 214 #pragma omp masked taskloop simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
 215   for (int i = 0; i < 10; ++i)
 216     foo();
 217 #pragma omp masked taskloop simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
 218   for (int i = 0; i < 10; ++i)
 219     foo();
 220 #pragma omp parallel shared(i)
 221 #pragma omp parallel reduction(min : i)
 222 #pragma omp masked taskloop simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 223   for (int i = 0; i < 10; ++i)
 224     foo();
 225 #pragma omp parallel private(fl)
 226 #pragma omp masked taskloop simd reduction(+ : fl) allocate(omp_thread_mem_alloc: fl) // expected-warning 2 {{allocator with the 'thread' trait access has unspecified behavior on 'masked taskloop simd' directive}}
 227   for (int i = 0; i < 10; ++i)
 228     foo();
 229 #pragma omp parallel reduction(* : fl)
 230 #pragma omp masked taskloop simd reduction(+ : fl)
 231   for (int i = 0; i < 10; ++i)
 232     foo();
 233
 234   return T();
 235 }
 236
 237 namespace A {
 238 double x;
 239 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 240 }
 241 namespace B {
 242 using A::x;
 243 }
 244
 245 int main(int argc, char **argv) {
 246   const int d = 5;       // expected-note 2 {{'d' defined here}}
 247   const int da[5] = {0}; // expected-note {{'da' defined here}}
 248   int qa[5] = {0};
 249   S4 e(4);
 250   S5 g(5);
 251   int i, z;
 252   int &j = i;                      // expected-note 2 {{'j' defined here}}
 253   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
 254   const int &r = da[i];            // expected-note {{'r' defined here}}
 255   int &q = qa[i];                  // expected-note {{'q' defined here}}
 256   float fl;
 257   int tid = 0;
 258 #pragma omp masked taskloop simd reduction filter(tid) // expected-error {{expected '(' after 'reduction'}}
 259   for (int i = 0; i < 10; ++i)
 260     foo();
 261 #pragma omp masked taskloop simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp masked taskloop simd' are ignored}}
 262   for (int i = 0; i < 10; ++i)
 263     foo();
 264 #pragma omp masked taskloop simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 265   for (int i = 0; i < 10; ++i)
 266     foo();
 267 #pragma omp masked taskloop simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 268   for (int i = 0; i < 10; ++i)
 269     foo();
 270 #pragma omp masked taskloop simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 271   for (int i = 0; i < 10; ++i)
 272     foo();
 273 #pragma omp masked taskloop simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 274   for (int i = 0; i < 10; ++i)
 275     foo();
 276 #pragma omp masked taskloop simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 277   for (int i = 0; i < 10; ++i)
 278     foo();
 279 #pragma omp masked taskloop simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} omp45-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}} omp50-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'}}
 280   for (int i = 0; i < 10; ++i)
 281     foo();
 282 #pragma omp masked taskloop simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 283   for (int i = 0; i < 10; ++i)
 284     foo();
 285 #pragma omp masked taskloop simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 286   for (int i = 0; i < 10; ++i)
 287     foo();
 288 #pragma omp masked taskloop simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
 289   for (int i = 0; i < 10; ++i)
 290     foo();
 291 #pragma omp masked taskloop simd reduction(&& : argc, z)
 292   for (int i = 0; i < 10; ++i)
 293     foo();
 294 #pragma omp masked taskloop simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 295   for (int i = 0; i < 10; ++i)
 296     foo();
 297 #pragma omp masked taskloop simd 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'}}
 298   for (int i = 0; i < 10; ++i)
 299     foo();
 300 #pragma omp masked taskloop simd 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}}
 301   for (int i = 0; i < 10; ++i)
 302     foo();
 303 #pragma omp masked taskloop simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 304   for (int i = 0; i < 10; ++i)
 305     foo();
 306 #pragma omp masked taskloop simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 307   for (int i = 0; i < 10; ++i)
 308     foo();
 309 #pragma omp masked taskloop simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 310   for (int i = 0; i < 10; ++i)
 311     foo();
 312 #pragma omp masked taskloop simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 313   for (int i = 0; i < 10; ++i)
 314     foo();
 315 #pragma omp masked taskloop simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 316   for (int i = 0; i < 10; ++i)
 317     foo();
 318 #pragma omp masked taskloop simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 319   for (int i = 0; i < 10; ++i)
 320     foo();
 321 #pragma omp masked taskloop simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 322   for (int i = 0; i < 10; ++i)
 323     foo();
 324 #pragma omp masked taskloop simd 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')}}
 325   for (int i = 0; i < 10; ++i)
 326     foo();
 327 #pragma omp masked taskloop simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 328   for (int i = 0; i < 10; ++i)
 329     foo();
 330 #pragma omp masked taskloop simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
 331   for (int i = 0; i < 10; ++i)
 332     foo();
 333 #pragma omp masked taskloop simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 334   for (int i = 0; i < 10; ++i)
 335     foo();
 336 #pragma omp parallel private(k)
 337 #pragma omp masked taskloop simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 338   for (int i = 0; i < 10; ++i)
 339     foo();
 340 #pragma omp masked taskloop simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
 341   for (int i = 0; i < 10; ++i)
 342     foo();
 343 #pragma omp masked taskloop simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
 344   for (int i = 0; i < 10; ++i)
 345     foo();
 346 #pragma omp parallel shared(i)
 347 #pragma omp parallel reduction(min : i)
 348 #pragma omp masked taskloop simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 349   for (int i = 0; i < 10; ++i)
 350     foo();
 351 #pragma omp parallel private(fl)
 352 #pragma omp masked taskloop simd reduction(+ : fl)
 353   for (int i = 0; i < 10; ++i)
 354     foo();
 355 #pragma omp parallel reduction(* : fl)
 356 #pragma omp masked taskloop simd reduction(+ : fl)
 357   for (int i = 0; i < 10; ++i)
 358     foo();
 359   static int m;
 360 #pragma omp masked taskloop simd reduction(+ : m) // OK
 361   for (int i = 0; i < 10; ++i)
 362     m++;
 363 #pragma omp masked taskloop simd reduction(+ : m) nogroup // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
 364   for (int i = 0; i < 10; ++i)
 365     m++;
 366 #pragma omp masked taskloop simd reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp50-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}} omp52-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}} omp60-error {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
 367   for (int i = 0; i < 10; ++i)
 368     m++;
 369
 370   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}}
 371 }