libgomp/testsuite/libgomp.c-c++-common/requires-7.c

/* { dg-do link { target offload_target_any } } */
/* { dg-additional-sources requires-7-aux.c } */

/* Check diagnostic by device-compiler's lto1.
   Other file uses: 'requires unified_address'.  */

#pragma omp requires unified_shared_memory

int a[10];
extern void foo (void);

int
main (void)
{
  #pragma omp target
  for (int i = 0; i < 10; i++)
    a[i] = 0;

  foo ();
  return 0;
}

/* { dg-error "OpenMP 'requires' directive with non-identical clauses in multiple compilation units: 'unified_shared_memory' vs. 'unified_address'" "" { target *-*-* } 0 }
     { dg-note {requires-7\.c' has 'unified_shared_memory'} {} { target *-*-* } 0 }
     TODO We're currently not streaming location information for the OpenMP
     directives used in 'requires-7-aux.c', so we're not seeing the source file
     name here (but a temporary '*.o' instead; for details, see
     <https://gcc.gnu.org/pipermail/gcc-patches/2022-July/598011.html>):
     { dg-note {requires-7-aux\.c' has 'unified_address'} {} { xfail *-*-* } 0 }
     ..., but we may still verify that the rest of the diagnostic is correct:
     { dg-note {' has 'unified_address'} {} { target *-*-* } 0 } */
/* { dg-excess-errors "Ignore messages like: errors during merging of translation units|mkoffload returned 1 exit status" } */