clang/test/OpenMP/target_parallel_for_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,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 -ferror-limit 150 -o - %s -Wuninitialized
  11 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  12 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp -fopenmp-version=60 -std=c++11 -ferror-limit 150 -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 -ferror-limit 150 -o - %s -Wuninitialized
  24 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
  25 // RUN: %clang_cc1 -verify=expected,omp60 -fopenmp-simd -fopenmp-version=60 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
  26
  27 #pragma omp requires dynamic_allocators
  28
  29 typedef void **omp_allocator_handle_t;
  30 extern const omp_allocator_handle_t omp_null_allocator;
  31 extern const omp_allocator_handle_t omp_default_mem_alloc;
  32 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  33 extern const omp_allocator_handle_t omp_const_mem_alloc;
  34 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  35 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  36 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  37 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  38 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  39
  40 void xxx(int argc) {
  41   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  42 #pragma omp target parallel for simd reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  43   for (int i = 0; i < 10; ++i)
  44     ;
  45 }
  46
  47 void foo() {
  48 }
  49
  50 bool foobool(int argc) {
  51   return argc;
  52 }
  53
  54 void foobar(int &ref) {
  55 #pragma omp target parallel for simd reduction(+:ref) allocate(omp_thread_mem_alloc: ref) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel for simd' directive}}
  56   for (int i = 0; i < 10; ++i)
  57     foo();
  58 }
  59
  60 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  61 extern S1 a;
  62 class S2 {
  63   mutable int a;
  64   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  65
  66 public:
  67   S2() : a(0) {}
  68   S2(S2 &s2) : a(s2.a) {}
  69   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  70   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  71 };
  72 const float S2::S2sc = 0;
  73 S2 b;                     // expected-note 3 {{'b' defined here}}
  74 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  75 class S3 {
  76   int a;
  77
  78 public:
  79   int b;
  80   S3() : a(0) {}
  81   S3(const S3 &s3) : a(s3.a) {}
  82   S3 operator+(const S3 &arg1) { return arg1; }
  83 };
  84 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  85 S3 c;               // expected-note 3 {{'c' defined here}}
  86 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  87 extern const int f; // expected-note 4 {{'f' declared here}}
  88 class S4 {
  89   int a;
  90   S4(); // expected-note {{implicitly declared private here}}
  91   S4(const S4 &s4);
  92   S4 &operator+(const S4 &arg) { return (*this); }
  93
  94 public:
  95   S4(int v) : a(v) {}
  96 };
  97 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  98 class S5 {
  99   int a;
 100   S5() : a(0) {} // expected-note {{implicitly declared private here}}
 101   S5(const S5 &s5) : a(s5.a) {}
 102   S5 &operator+(const S5 &arg);
 103
 104 public:
 105   S5(int v) : a(v) {}
 106 };
 107 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}}
 108 #if __cplusplus >= 201103L // C++11 or later
 109 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 110 #endif
 111   int a;
 112
 113 public:
 114   S6() : a(6) {}
 115   operator int() { return 6; }
 116 } o;
 117
 118 S3 h, k;
 119 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 120
 121 template <class T>       // expected-note {{declared here}}
 122 T tmain(T argc) {
 123   const T d = T();       // expected-note 4 {{'d' defined here}}
 124   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 125   T qa[5] = {T()};
 126   T i, z;
 127   T &j = i;                        // expected-note 4 {{'j' defined here}}
 128   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
 129   const T &r = da[(int)i];         // expected-note 2 {{'r' defined here}}
 130   T &q = qa[(int)i];               // expected-note 2 {{'q' defined here}}
 131   T fl;
 132 #pragma omp target parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}
 133   for (int i = 0; i < 10; ++i)
 134     foo();
 135 #pragma omp target parallel for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 136   for (int i = 0; i < 10; ++i)
 137     foo();
 138 #pragma omp target parallel for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 139   for (int i = 0; i < 10; ++i)
 140     foo();
 141 #pragma omp target parallel for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 142   for (int i = 0; i < 10; ++i)
 143     foo();
 144 #pragma omp target parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 145   for (int i = 0; i < 10; ++i)
 146     foo();
 147 #pragma omp target parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 148   for (int i = 0; i < 10; ++i)
 149     foo();
 150 #pragma omp target parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 151   for (int i = 0; i < 10; ++i)
 152     foo();
 153 #pragma omp target parallel for simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 154   for (int i = 0; i < 10; ++i)
 155     foo();
 156 #pragma omp target parallel for 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')}}
 157   for (int i = 0; i < 10; ++i)
 158     foo();
 159 #pragma omp target parallel for simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 160   for (int i = 0; i < 10; ++i)
 161     foo();
 162 #pragma omp target parallel for 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'}} 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'}}
 163   for (int i = 0; i < 10; ++i)
 164     foo();
 165 #pragma omp target parallel for 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 '('}}
 166   for (int i = 0; i < 10; ++i)
 167     foo();
 168 #pragma omp target parallel for simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 169   for (int i = 0; i < 10; ++i)
 170     foo();
 171 #pragma omp target parallel for simd reduction(+ : z, 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'}}
 172   for (int i = 0; i < 10; ++i)
 173     foo();
 174 #pragma omp target parallel for 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}}
 175   for (int i = 0; i < 10; ++i)
 176     foo();
 177 #pragma omp target parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 178   for (int i = 0; i < 10; ++i)
 179     foo();
 180 #pragma omp target parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 181   for (int i = 0; i < 10; ++i)
 182     foo();
 183 #pragma omp target parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 184   for (int i = 0; i < 10; ++i)
 185     foo();
 186 #pragma omp target parallel for simd 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}}
 187   for (int i = 0; i < 10; ++i)
 188     foo();
 189 #pragma omp target parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 190   for (int i = 0; i < 10; ++i)
 191     foo();
 192 #pragma omp target parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 193   for (int i = 0; i < 10; ++i)
 194     foo();
 195 #pragma omp target parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 196   for (int i = 0; i < 10; ++i)
 197     foo();
 198 #pragma omp target parallel for simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 199   for (int i = 0; i < 10; ++i)
 200     foo();
 201 #pragma omp target parallel for simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 202   for (int i = 0; i < 10; ++i)
 203     foo();
 204 #pragma omp target parallel for simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 205   for (int i = 0; i < 10; ++i)
 206     foo();
 207 #pragma omp parallel private(k)
 208 #pragma omp target parallel for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 209   for (int i = 0; i < 10; ++i)
 210     foo();
 211 #pragma omp target parallel for simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
 212   for (int i = 0; i < 10; ++i)
 213     foo();
 214 #pragma omp target parallel for simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
 215   for (int i = 0; i < 10; ++i)
 216     foo();
 217 #pragma omp parallel shared(i)
 218 #pragma omp parallel reduction(min : i)
 219 #pragma omp target parallel for simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 220   for (int i = 0; i < 10; ++i)
 221     foo();
 222 #pragma omp parallel private(fl)
 223 #pragma omp target parallel for simd reduction(+ : fl)
 224   for (int i = 0; i < 10; ++i)
 225     foo();
 226 #pragma omp parallel reduction(* : fl)
 227 #pragma omp target parallel for simd reduction(+ : fl)
 228   for (int i = 0; i < 10; ++i)
 229     foo();
 230
 231   return T();
 232 }
 233
 234 namespace A {
 235 double x;
 236 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 237 }
 238 namespace B {
 239 using A::x;
 240 }
 241
 242 int main(int argc, char **argv) {
 243   const int d = 5;       // expected-note 2 {{'d' defined here}}
 244   const int da[5] = {0}; // expected-note {{'da' defined here}}
 245   int qa[5] = {0};
 246   S4 e(4);
 247   S5 g(5);
 248   int i, z;
 249   int &j = i;                      // expected-note 2 {{'j' defined here}}
 250   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
 251   const int &r = da[i];            // expected-note {{'r' defined here}}
 252   int &q = qa[i];                  // expected-note {{'q' defined here}}
 253   float fl;
 254 #pragma omp target parallel for simd reduction // expected-error {{expected '(' after 'reduction'}}
 255   for (int i = 0; i < 10; ++i)
 256     foo();
 257 #pragma omp target parallel for simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel for simd' are ignored}}
 258   for (int i = 0; i < 10; ++i)
 259     foo();
 260 #pragma omp target parallel for simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 261   for (int i = 0; i < 10; ++i)
 262     foo();
 263 #pragma omp target parallel for simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 264   for (int i = 0; i < 10; ++i)
 265     foo();
 266 #pragma omp target parallel for simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 267   for (int i = 0; i < 10; ++i)
 268     foo();
 269 #pragma omp target parallel for simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 270   for (int i = 0; i < 10; ++i)
 271     foo();
 272 #pragma omp target parallel for simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 273   for (int i = 0; i < 10; ++i)
 274     foo();
 275 #pragma omp target parallel for simd 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'}}
 276   for (int i = 0; i < 10; ++i)
 277     foo();
 278 #pragma omp target parallel for simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 279   for (int i = 0; i < 10; ++i)
 280     foo();
 281 #pragma omp target parallel for simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 282   for (int i = 0; i < 10; ++i)
 283     foo();
 284 #pragma omp target parallel for simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
 285   for (int i = 0; i < 10; ++i)
 286     foo();
 287 #pragma omp target parallel for simd reduction(&& : argc, z)
 288   for (int i = 0; i < 10; ++i)
 289     foo();
 290 #pragma omp target parallel for simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 291   for (int i = 0; i < 10; ++i)
 292     foo();
 293 #pragma omp target parallel for 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'}}
 294   for (int i = 0; i < 10; ++i)
 295     foo();
 296 #pragma omp target parallel for 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}}
 297   for (int i = 0; i < 10; ++i)
 298     foo();
 299 #pragma omp target parallel for simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 300   for (int i = 0; i < 10; ++i)
 301     foo();
 302 #pragma omp target parallel for simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 303   for (int i = 0; i < 10; ++i)
 304     foo();
 305 #pragma omp target parallel for simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 306   for (int i = 0; i < 10; ++i)
 307     foo();
 308 #pragma omp target parallel for 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}}
 309   for (int i = 0; i < 10; ++i)
 310     foo();
 311 #pragma omp target parallel for simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 312   for (int i = 0; i < 10; ++i)
 313     foo();
 314 #pragma omp target parallel for simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 315   for (int i = 0; i < 10; ++i)
 316     foo();
 317 #pragma omp target parallel for simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 318   for (int i = 0; i < 10; ++i)
 319     foo();
 320 #pragma omp target parallel for 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')}}
 321   for (int i = 0; i < 10; ++i)
 322     foo();
 323 #pragma omp target parallel for simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 324   for (int i = 0; i < 10; ++i)
 325     foo();
 326 #pragma omp target parallel for simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
 327   for (int i = 0; i < 10; ++i)
 328     foo();
 329 #pragma omp target parallel for simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 330   for (int i = 0; i < 10; ++i)
 331     foo();
 332 #pragma omp parallel private(k)
 333 #pragma omp target parallel for simd reduction(+ : p), reduction(+ : p) // 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 target parallel for simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
 337   for (int i = 0; i < 10; ++i)
 338     foo();
 339 #pragma omp target parallel for simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
 340   for (int i = 0; i < 10; ++i)
 341     foo();
 342 #pragma omp parallel shared(i)
 343 #pragma omp parallel reduction(min : i)
 344 #pragma omp target parallel for simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 345   for (int i = 0; i < 10; ++i)
 346     foo();
 347 #pragma omp parallel private(fl)
 348 #pragma omp target parallel for simd reduction(+ : fl)
 349   for (int i = 0; i < 10; ++i)
 350     foo();
 351 #pragma omp parallel reduction(* : fl)
 352 #pragma omp target parallel for simd reduction(+ : fl)
 353   for (int i = 0; i < 10; ++i)
 354     foo();
 355   static int m;
 356 #pragma omp target parallel for simd reduction(+ : m) // OK
 357   for (int i = 0; i < 10; ++i)
 358     m++;
 359 #pragma omp target parallel for simd reduction(task, + : m) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp51-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}}
 360   for (int i = 0; i < 10; ++i)
 361     m++;
 362
 363   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}}
 364 }