[gcc r13-1892] OpenMP/Fortran: Permit assumed-size arrays in uniform clause

[Tobias Burnus <burnus@gcc.gnu.org>]

https://gcc.gnu.org/g:a6afbe5e9528e9ec3f0426d9791bd28e6e584d82

commit r13-1892-ga6afbe5e9528e9ec3f0426d9791bd28e6e584d82
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Fri Jul 29 12:36:07 2022 +0200

    OpenMP/Fortran: Permit assumed-size arrays in uniform clause
    
    gcc/fortran/ChangeLog:
    
            * openmp.cc (resolve_omp_clauses): Permit assumed-size arrays
            in uniform clause.
    
    gcc/testsuite/ChangeLog:
    
            * gfortran.dg/gomp/declare-simd-3.f90: New test.

Diff:
---
 gcc/fortran/openmp.cc                             |  3 ++-
 gcc/testsuite/gfortran.dg/gomp/declare-simd-3.f90 | 30 +++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/gcc/fortran/openmp.cc b/gcc/fortran/openmp.cc
index df9cdf43eb7..a7eb6c3e8f4 100644
--- a/gcc/fortran/openmp.cc
+++ b/gcc/fortran/openmp.cc
@@ -7386,7 +7386,8 @@ resolve_omp_clauses (gfc_code *code, gfc_omp_clauses *omp_clauses,
 			|| code->op == EXEC_OACC_PARALLEL
 			|| code->op == EXEC_OACC_SERIAL))
 		  check_array_not_assumed (n->sym, n->where, name);
-		else if (n->sym->as && n->sym->as->type == AS_ASSUMED_SIZE)
+		else if (list != OMP_LIST_UNIFORM
+			 && n->sym->as && n->sym->as->type == AS_ASSUMED_SIZE)
 		  gfc_error ("Assumed size array %qs in %s clause at %L",
 			     n->sym->name, name, &n->where);
 		if (n->sym->attr.in_namelist && !is_reduction)
diff --git a/gcc/testsuite/gfortran.dg/gomp/declare-simd-3.f90 b/gcc/testsuite/gfortran.dg/gomp/declare-simd-3.f90
new file mode 100644
index 00000000000..b94587ef35a
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/gomp/declare-simd-3.f90
@@ -0,0 +1,30 @@
+! { dg-do compile }
+
+module m
+  implicit none (type, external)
+contains
+  real function add(x, y, j) result(res)
+    !$omp declare simd(add) uniform(x, y) linear(j : 1) simdlen(4)
+    integer, value :: j
+    real, intent(in) :: x(*), y(*)
+    res = x(j) + y(j)
+  end function
+end module m
+
+program main
+  use m
+  implicit none (type, external)
+  real, allocatable :: A(:), B(:), C(:)
+  integer :: i, N
+  N = 128
+  A = [(3*i, i = 1, N)]
+  B = [(7*i, i = 1, N)]
+  allocate (C(N))
+
+  !$omp simd
+  do i = 1, N
+    C(i) = add(A, B, i)
+  end do
+
+  if (any (C /= [(10*i, i = 1, N)])) error stop
+end program main