/* { dg-do compile } */
/* { dg-options "-fopenmp -std=c23" */

void
foo ()
{
  [[omp::decl]] int v1;						/* { dg-error "'omp::decl' attribute requires argument" } */
  [[omp::decl ()]] int v2;					/* { dg-error "expected OpenMP directive name" } */
								/* { dg-error "'omp::directive' not allowed to be specified in this context" "" { target *-*-* } .-1 } */
  [[omp::decl (nonexistent foobar)]] int v3;			/* { dg-error "unknown OpenMP directive name in 'omp::decl' attribute argument" } */
								/* { dg-error "'omp::directive' not allowed to be specified in this context" "" { target *-*-* } .-1 } */
  [[omp::sequence(decl(threadprivate))]] int v4;		/* { dg-error "expected 'directive' or 'sequence'" } */
								/* { dg-error "'omp::directive' not allowed to be specified in this context" "" { target *-*-* } .-1 } */
  [[omp::sequence(omp::decl(threadprivate))]] int v5;		/* { dg-error "expected 'directive' or 'sequence'" } */
								/* { dg-error "'omp::directive' not allowed to be specified in this context" "" { target *-*-* } .-1 } */
  [[omp::decl (barrier)]];					/* { dg-error "OpenMP 'omp::decl' attribute on a statement" } */
  [[omp::decl (parallel)]] {};					/* { dg-error "OpenMP 'omp::decl' attribute on a statement" } */
  extern int [[omp::decl (threadprivate)]] *v6;			/* { dg-warning "'omp::directive' scoped attribute directive ignored" } */
  [[omp::decl (threadprivate (v5))]] static int v7;		/* { dg-error "expected end of line before '\\\(' token" } */
  extern int v8;
  [[omp::decl (declare target (v8))]] static int v9;		/* { dg-error "expected end of line before '\\\(' token" } */
  [[omp::decl (declare target enter (v8))]] static int v10;	/* { dg-error "expected an OpenMP clause before '\\\(' token" } */
  [[omp::decl (declare target, link (v9))]] static int v11;	/* { dg-error "expected an OpenMP clause before '\\\(' token" } */
  [[omp::decl (declare target device_type (any))]] static int v12;	/* { dg-error "directive with only 'device_type' or 'indirect' clauses" } */
}

int i;
[[omp::decl (assume (i < 42))]];				/* { dg-error "OpenMP 'omp::decl' attribute on a statement" } */