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

int i;
int t1, t2, t3, t4, t5, t6, t7;

void
foo ()
{
  [[omp::directive]];		/* { dg-error "'omp::directive' attribute requires argument" } */
  [[omp::directive ()]];	/* { dg-error "expected OpenMP directive name" } */
  [[omp::directive (nonexistent foobar)]];	/* { dg-error "unknown OpenMP directive name in 'omp::directive' attribute argument" } */
  [[omp::sequence]];		/* { dg-error "'omp::sequence' attribute requires argument" } */
  [[omp::sequence()]];		/* { dg-error "expected 'directive' or 'sequence'" } */
  [[omp::sequence(foobar())]];		/* { dg-error "expected 'directive' or 'sequence'" } */
  [[omp::sequence(omp::foobar())]];		/* { dg-error "expected 'directive' or 'sequence'" } */
  [[omp::sequence(directive(taskwait), foobar())]];		/* { dg-error "expected 'directive' or 'sequence'" } */
  [[omp::sequence(omp::directive(taskwait), omp::foobar())]];	/* { dg-error "expected 'directive' or 'sequence'" } */
  [[omp::sequence(directive(taskwait) foobar())]];		/* { dg-error "expected '\\\)' before 'foobar'" } */
  [[omp::sequence(directive)]];		/* { dg-error "expected '\\\(' before '\\\)' token" } */
  [[omp::sequence(omp::sequence)]];	/* { dg-error "expected '\\\(' before '\\\)' token" } */
  [[omp::directive (parallel), omp::directive (single)]]	/* { dg-error "OpenMP construct among 'omp::directive' attributes requires all 'omp::directive' attributes on the same statement to be in the same 'omp::sequence'" } */
    ;
  [[omp::directive (parallel)]]	/* { dg-error "OpenMP construct among 'omp::directive' attributes requires all 'omp::directive' attributes on the same statement to be in the same 'omp::sequence'" } */
  [[omp::directive (single)]]
    ;
  [[omp::directive (taskwait), omp::directive (taskyield)]]	/* { dg-error "multiple OpenMP standalone directives among 'omp::directive' attributes must be all within the same 'omp::sequence'" } */
    ;
  [[omp::directive (taskwait)]]
  [[omp::directive (taskyield)]]	/* { dg-error "multiple OpenMP standalone directives among 'omp::directive' attributes must be all within the same 'omp::sequence'" } */
    ;
  [[omp::directive (flush)]]	/* { dg-error "standalone OpenMP directives in 'omp::directive' attribute can only appear on an empty statement" } */
    i++;
  int [[omp::directive (threadprivate (t2))]] b;		/* { dg-warning "'omp::directive' scoped attribute directive ignored" } */
  int *[[omp::directive (threadprivate (t3))]] c;		/* { dg-warning "'omp::directive' scoped attribute directive ignored" } */
  typedef int T [[omp::directive (threadprivate (t5))]];	/* { dg-error "'omp::directive' not allowed to be specified in this context" } */
  int e[10] [[omp::directive (threadprivate (t6))]];		/* { dg-warning "'omp::directive' scoped attribute directive ignored" } */
  struct [[omp::directive (threadprivate (t7))]] S {};		/* { dg-warning "'omp::directive' scoped attribute directive ignored" } */
}