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
foo(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
bar(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
baz(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 }
47