clang/test/OpenMP/target_parallel_for_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 typedef void **omp_allocator_handle_t;
  28 extern const omp_allocator_handle_t omp_null_allocator;
  29 extern const omp_allocator_handle_t omp_default_mem_alloc;
  30 extern const omp_allocator_handle_t omp_large_cap_mem_alloc;
  31 extern const omp_allocator_handle_t omp_const_mem_alloc;
  32 extern const omp_allocator_handle_t omp_high_bw_mem_alloc;
  33 extern const omp_allocator_handle_t omp_low_lat_mem_alloc;
  34 extern const omp_allocator_handle_t omp_cgroup_mem_alloc;
  35 extern const omp_allocator_handle_t omp_pteam_mem_alloc;
  36 extern const omp_allocator_handle_t omp_thread_mem_alloc;
  37
  38 void xxx(int argc) {
  39   int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
  40 #pragma omp target parallel for reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
  41   for (int i = 0; i < 10; ++i)
  42     ;
  43 }
  44
  45 void foo() {
  46 }
  47
  48 bool foobool(int argc) {
  49   return argc;
  50 }
  51
  52 void foobar(int &ref) {
  53 #pragma omp target parallel for reduction(+:ref)
  54   for (int i = 0; i < 10; ++i)
  55     foo();
  56 }
  57
  58 struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
  59 extern S1 a;
  60 class S2 {
  61   mutable int a;
  62   S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
  63
  64 public:
  65   S2() : a(0) {}
  66   S2(S2 &s2) : a(s2.a) {}
  67   static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
  68   static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
  69 };
  70 const float S2::S2sc = 0;
  71 S2 b;                     // expected-note 3 {{'b' defined here}}
  72 const S2 ba[5];           // expected-note 2 {{'ba' defined here}}
  73 class S3 {
  74   int a;
  75
  76 public:
  77   int b;
  78   S3() : a(0) {}
  79   S3(const S3 &s3) : a(s3.a) {}
  80   S3 operator+(const S3 &arg1) { return arg1; }
  81 };
  82 int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
  83 S3 c;               // expected-note 3 {{'c' defined here}}
  84 const S3 ca[5];     // expected-note 2 {{'ca' defined here}}
  85 extern const int f; // expected-note 4 {{'f' declared here}}
  86 class S4 {
  87   int a;
  88   S4(); // expected-note {{implicitly declared private here}}
  89   S4(const S4 &s4);
  90   S4 &operator+(const S4 &arg) { return (*this); }
  91
  92 public:
  93   S4(int v) : a(v) {}
  94 };
  95 S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
  96 class S5 {
  97   int a;
  98   S5() : a(0) {} // expected-note {{implicitly declared private here}}
  99   S5(const S5 &s5) : a(s5.a) {}
 100   S5 &operator+(const S5 &arg);
 101
 102 public:
 103   S5(int v) : a(v) {}
 104 };
 105 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}}
 106 #if __cplusplus >= 201103L // C++11 or later
 107 // expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
 108 #endif
 109   int a;
 110
 111 public:
 112   S6() : a(6) {}
 113   operator int() { return 6; }
 114 } o;
 115
 116 S3 h, k;
 117 #pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
 118
 119 template <class T>       // expected-note {{declared here}}
 120 T tmain(T argc) {
 121   const T d = T();       // expected-note 4 {{'d' defined here}}
 122   const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
 123   T qa[5] = {T()};
 124   T i, z;
 125   T &j = i;                        // expected-note 4 {{'j' defined here}}
 126   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
 127   const T &r = da[(int)i];         // expected-note 2 {{'r' defined here}}
 128   T &q = qa[(int)i];               // expected-note 2 {{'q' defined here}}
 129   T fl;
 130 #pragma omp target parallel for reduction // expected-error {{expected '(' after 'reduction'}}
 131   for (int i = 0; i < 10; ++i)
 132     foo();
 133 #pragma omp target parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
 134   for (int i = 0; i < 10; ++i)
 135     foo();
 136 #pragma omp target parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 137   for (int i = 0; i < 10; ++i)
 138     foo();
 139 #pragma omp target parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 140   for (int i = 0; i < 10; ++i)
 141     foo();
 142 #pragma omp target parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 143   for (int i = 0; i < 10; ++i)
 144     foo();
 145 #pragma omp target parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 146   for (int i = 0; i < 10; ++i)
 147     foo();
 148 #pragma omp target parallel for reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 149   for (int i = 0; i < 10; ++i)
 150     foo();
 151 #pragma omp target parallel for reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 152   for (int i = 0; i < 10; ++i)
 153     foo();
 154 #pragma omp target parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
 155   for (int i = 0; i < 10; ++i)
 156     foo();
 157 #pragma omp target parallel for reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
 158   for (int i = 0; i < 10; ++i)
 159     foo();
 160 #pragma omp target parallel for 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'}}
 161   for (int i = 0; i < 10; ++i)
 162     foo();
 163 #pragma omp target parallel for 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 '('}}
 164   for (int i = 0; i < 10; ++i)
 165     foo();
 166 #pragma omp target parallel for reduction(^ : T) // expected-error {{'T' does not refer to a value}}
 167   for (int i = 0; i < 10; ++i)
 168     foo();
 169 #pragma omp target parallel for 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'}}
 170   for (int i = 0; i < 10; ++i)
 171     foo();
 172 #pragma omp target parallel for 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}}
 173   for (int i = 0; i < 10; ++i)
 174     foo();
 175 #pragma omp target parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 176   for (int i = 0; i < 10; ++i)
 177     foo();
 178 #pragma omp target parallel for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 179   for (int i = 0; i < 10; ++i)
 180     foo();
 181 #pragma omp target parallel for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 182   for (int i = 0; i < 10; ++i)
 183     foo();
 184 #pragma omp target parallel for 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}}
 185   for (int i = 0; i < 10; ++i)
 186     foo();
 187 #pragma omp target parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 188   for (int i = 0; i < 10; ++i)
 189     foo();
 190 #pragma omp target parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 191   for (int i = 0; i < 10; ++i)
 192     foo();
 193 #pragma omp target parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 194   for (int i = 0; i < 10; ++i)
 195     foo();
 196 #pragma omp target parallel for reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
 197   for (int i = 0; i < 10; ++i)
 198     foo();
 199 #pragma omp target parallel for reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
 200   for (int i = 0; i < 10; ++i)
 201     foo();
 202 #pragma omp target parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 203   for (int i = 0; i < 10; ++i)
 204     foo();
 205 #pragma omp parallel private(k)
 206 #pragma omp target parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 207   for (int i = 0; i < 10; ++i)
 208     foo();
 209 #pragma omp target parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
 210   for (int i = 0; i < 10; ++i)
 211     foo();
 212 #pragma omp target parallel for reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
 213   for (int i = 0; i < 10; ++i)
 214     foo();
 215 #pragma omp parallel shared(i)
 216 #pragma omp parallel reduction(min : i)
 217 #pragma omp target parallel for reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 218   for (int i = 0; i < 10; ++i)
 219     foo();
 220 #pragma omp parallel private(fl)
 221 #pragma omp target parallel for reduction(+ : fl)
 222   for (int i = 0; i < 10; ++i)
 223     foo();
 224 #pragma omp parallel reduction(* : fl)
 225 #pragma omp target parallel for reduction(+ : fl)
 226   for (int i = 0; i < 10; ++i)
 227     foo();
 228
 229   return T();
 230 }
 231
 232 namespace A {
 233 double x;
 234 #pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
 235 }
 236 namespace B {
 237 using A::x;
 238 }
 239
 240 int main(int argc, char **argv) {
 241   const int d = 5;       // expected-note 2 {{'d' defined here}}
 242   const int da[5] = {0}; // expected-note {{'da' defined here}}
 243   int qa[5] = {0};
 244   S4 e(4);
 245   S5 g(5);
 246   int i, z;
 247   int &j = i;                      // expected-note 2 {{'j' defined here}}
 248   S3 &p = k;                       // expected-note 2 {{'p' defined here}}
 249   const int &r = da[i];            // expected-note {{'r' defined here}}
 250   int &q = qa[i];                  // expected-note {{'q' defined here}}
 251   float fl;
 252 #pragma omp target parallel for reduction // expected-error {{expected '(' after 'reduction'}}
 253   for (int i = 0; i < 10; ++i)
 254     foo();
 255 #pragma omp target parallel for reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp target parallel for' are ignored}}
 256   for (int i = 0; i < 10; ++i)
 257     foo();
 258 #pragma omp target parallel for reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 259   for (int i = 0; i < 10; ++i)
 260     foo();
 261 #pragma omp target parallel for reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 262   for (int i = 0; i < 10; ++i)
 263     foo();
 264 #pragma omp target parallel for reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
 265   for (int i = 0; i < 10; ++i)
 266     foo();
 267 #pragma omp target parallel for reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
 268   for (int i = 0; i < 10; ++i)
 269     foo();
 270 #pragma omp target parallel for 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 target parallel for 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'}}
 274   for (int i = 0; i < 10; ++i)
 275     foo();
 276 #pragma omp target parallel for reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
 277   for (int i = 0; i < 10; ++i)
 278     foo();
 279 #pragma omp target parallel for reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
 280   for (int i = 0; i < 10; ++i)
 281     foo();
 282 #pragma omp target parallel for reduction(~ : argc) // expected-error {{expected unqualified-id}}
 283   for (int i = 0; i < 10; ++i)
 284     foo();
 285 #pragma omp target parallel for reduction(&& : argc, z)
 286   for (int i = 0; i < 10; ++i)
 287     foo();
 288 #pragma omp target parallel for reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
 289   for (int i = 0; i < 10; ++i)
 290     foo();
 291 #pragma omp target parallel for 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'}}
 292   for (int i = 0; i < 10; ++i)
 293     foo();
 294 #pragma omp target parallel for 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}}
 295   for (int i = 0; i < 10; ++i)
 296     foo();
 297 #pragma omp target parallel for reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
 298   for (int i = 0; i < 10; ++i)
 299     foo();
 300 #pragma omp target parallel for reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
 301   for (int i = 0; i < 10; ++i)
 302     foo();
 303 #pragma omp target parallel for reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
 304   for (int i = 0; i < 10; ++i)
 305     foo();
 306 #pragma omp target parallel for reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} omp52-warning {{minus(-) operator for reductions is deprecated; use + or user defined reduction instead}}
 307   for (int i = 0; i < 10; ++i)
 308     foo();
 309 #pragma omp target parallel for reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
 310   for (int i = 0; i < 10; ++i)
 311     foo();
 312 #pragma omp target parallel for reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
 313   for (int i = 0; i < 10; ++i)
 314     foo();
 315 #pragma omp target parallel for reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
 316   for (int i = 0; i < 10; ++i)
 317     foo();
 318 #pragma omp target parallel for 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')}}
 319   for (int i = 0; i < 10; ++i)
 320     foo();
 321 #pragma omp target parallel for reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
 322   for (int i = 0; i < 10; ++i)
 323     foo();
 324 #pragma omp target parallel for reduction(+ : o) // expected-error {{no viable overloaded '='}}
 325   for (int i = 0; i < 10; ++i)
 326     foo();
 327 #pragma omp target parallel for private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 328   for (int i = 0; i < 10; ++i)
 329     foo();
 330 #pragma omp parallel private(k)
 331 #pragma omp target parallel for reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 332   for (int i = 0; i < 10; ++i)
 333     foo();
 334 #pragma omp target parallel for reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
 335   for (int i = 0; i < 10; ++i)
 336     foo();
 337 #pragma omp target parallel for reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
 338   for (int i = 0; i < 10; ++i)
 339     foo();
 340 #pragma omp parallel shared(i)
 341 #pragma omp parallel reduction(min : i)
 342 #pragma omp target parallel for reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
 343   for (int i = 0; i < 10; ++i)
 344     foo();
 345 #pragma omp parallel private(fl)
 346 #pragma omp target parallel for reduction(+ : fl)
 347   for (int i = 0; i < 10; ++i)
 348     foo();
 349 #pragma omp parallel reduction(* : fl)
 350 #pragma omp target parallel for reduction(+ : fl)
 351   for (int i = 0; i < 10; ++i)
 352     foo();
 353 #pragma omp target parallel for reduction(task, + : fl) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}}
 354   for (int i = 0; i < 10; ++i)
 355     foo();
 356   static int m;
 357 #pragma omp target parallel for allocate(omp_thread_mem_alloc: m) reduction(+ : m) // expected-warning {{allocator with the 'thread' trait access has unspecified behavior on 'target parallel for' directive}} omp51-error {{allocator must be specified in the 'uses_allocators' clause}} omp52-error {{allocator must be specified in the 'uses_allocators' clause}} omp60-error {{allocator must be specified in the 'uses_allocators' clause}}
 358   for (int i = 0; i < 10; ++i)
 359     m++;
 360
 361   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}}
 362 }