1  /* { dg-do compile } */
       2  /* { dg-options "-fopenmp" } */
       3  
       4  #pragma omp declare reduction (| : long int : omp_out |= omp_in)	/* { dg-error "predeclared arithmetic type" } */
       5  #pragma omp declare reduction (+ : char : omp_out += omp_in)		/* { dg-error "predeclared arithmetic type" } */
       6  typedef short T;
       7  #pragma omp declare reduction (min : T : omp_out += omp_in)		/* { dg-error "predeclared arithmetic type" } */
       8  #pragma omp declare reduction (* : _Complex double : omp_out *= omp_in)	/* { dg-error "predeclared arithmetic type" } */
       9  
      10  void
      11  foo (void)
      12  {
      13    #pragma omp declare reduction (| : long int : omp_out |= omp_in)	/* { dg-error "predeclared arithmetic type" } */
      14    #pragma omp declare reduction (+ : char : omp_out += omp_in)		/* { dg-error "predeclared arithmetic type" } */
      15    #pragma omp declare reduction (min : T : omp_out += omp_in)		/* { dg-error "predeclared arithmetic type" } */
      16    #pragma omp declare reduction (* : _Complex double : omp_out *= omp_in) /* { dg-error "predeclared arithmetic type" } */
      17  }
      18  
      19  #pragma omp declare reduction (| : __typeof (foo) : omp_out |= omp_in)	/* { dg-error "function or array" } */
      20  #pragma omp declare reduction (+ : char () : omp_out += omp_in)		/* { dg-error "function or array" } */
      21  #pragma omp declare reduction (min : T[2] : omp_out += omp_in)		/* { dg-error "function or array" } */
      22  
      23  void
      24  bar (void)
      25  {
      26    #pragma omp declare reduction (| : __typeof (foo) : omp_out |= omp_in)/* { dg-error "function or array" } */
      27    #pragma omp declare reduction (+ : char () : omp_out += omp_in)	/* { dg-error "function or array" } */
      28    #pragma omp declare reduction (min : T[2] : omp_out += omp_in)	/* { dg-error "function or array" } */
      29  }
      30  
      31  struct A { int a; };
      32  #pragma omp declare reduction (| : const struct A : omp_out.a |= omp_in.a)	/* { dg-error "const, volatile or restrict" } */
      33  #pragma omp declare reduction (+ : __const struct A : omp_out.a += omp_in.a)	/* { dg-error "const, volatile or restrict" } */
      34  typedef volatile struct A T2;
      35  #pragma omp declare reduction (min : T2 : omp_out.a += omp_in.a)		/* { dg-error "const, volatile or restrict" } */
      36  #pragma omp declare reduction (* : struct A *__restrict : omp_out->a *= omp_in->a)/* { dg-error "const, volatile or restrict" } */
      37  
      38  void
      39  baz (void)
      40  {
      41    #pragma omp declare reduction (| : const struct A : omp_out.a |= omp_in.a)	/* { dg-error "const, volatile or restrict" } */
      42    #pragma omp declare reduction (+ : __const struct A : omp_out.a += omp_in.a)	/* { dg-error "const, volatile or restrict" } */
      43    typedef volatile struct A T3;
      44    #pragma omp declare reduction (min : T3 : omp_out.a += omp_in.a)		/* { dg-error "const, volatile or restrict" } */
      45    #pragma omp declare reduction (* : struct A *__restrict : omp_out->a *= omp_in->a)/* { dg-error "const, volatile or restrict" } */
      46  }