[committed] Fortran: Fix OpenMP clause name in error message

[Tobias Burnus <Tobias_Burnus@mentor.com>]

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This fix was part of the submitted patch + reviewed with minor comments
patch:

[PATCH, OpenMP 5.0] More implementation of the requires directive
https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563393.html

but that never got revised and applied.

Committed the most obvious parts as obvious, as
r13-800-g8af266501795dd76d05faef498dbd3472a01b305

Tobias

PS: The non-obvious parts need to be a bit revised (collect follow-up
patches, properly filter out requirements not fulfilled from the
available-devices list → cf. glossary of the current, post-5.2 OpenMP
specification git repository) etc.
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commit 8af266501795dd76d05faef498dbd3472a01b305
Author: Tobias Burnus <tobias@codesourcery.com>
Date:   Fri May 27 13:12:45 2022 +0200

    Fortran: Fix OpenMP clause name in error message
    
    gcc/fortran/ChangeLog:
    
            * openmp.cc (gfc_check_omp_requires): Fix clause name in error.
    
    gcc/testsuite/ChangeLog:
    
            * gfortran.dg/gomp/requires-4.f90: Update dg-error.
            * gfortran.dg/gomp/requires-8.f90: Update dg-error.
    
    Co-authored-by: Chung-Lin Tang <cltang@codesourcery.com>
---
 gcc/fortran/openmp.cc                         | 2 +-
 gcc/testsuite/gfortran.dg/gomp/requires-4.f90 | 2 +-
 gcc/testsuite/gfortran.dg/gomp/requires-8.f90 | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/gcc/fortran/openmp.cc b/gcc/fortran/openmp.cc
index 6172ec27687..efa62b64f2b 100644
--- a/gcc/fortran/openmp.cc
+++ b/gcc/fortran/openmp.cc
@@ -5272,7 +5272,7 @@ gfc_check_omp_requires (gfc_namespace *ns, int ref_omp_requires)
       if ((ref_omp_requires & OMP_REQ_REVERSE_OFFLOAD)
 	  && !(ns->omp_requires & OMP_REQ_REVERSE_OFFLOAD))
 	gfc_error ("Program unit at %L has OpenMP device constructs/routines "
-		   "but does not set !$OMP REQUIRES REVERSE_OFFSET but other "
+		   "but does not set !$OMP REQUIRES REVERSE_OFFLOAD but other "
 		   "program units do", &ns->proc_name->declared_at);
       if ((ref_omp_requires & OMP_REQ_UNIFIED_ADDRESS)
 	  && !(ns->omp_requires & OMP_REQ_UNIFIED_ADDRESS))
diff --git a/gcc/testsuite/gfortran.dg/gomp/requires-4.f90 b/gcc/testsuite/gfortran.dg/gomp/requires-4.f90
index b17aceb898b..c870a2840d3 100644
--- a/gcc/testsuite/gfortran.dg/gomp/requires-4.f90
+++ b/gcc/testsuite/gfortran.dg/gomp/requires-4.f90
@@ -9,7 +9,7 @@ end module m
 subroutine foo
   !$omp target
   !$omp end target
-! { dg-error "OpenMP device constructs/routines but does not set !.OMP REQUIRES REVERSE_OFFSET but other program units do" "" { target *-*-* } 9 }
+! { dg-error "OpenMP device constructs/routines but does not set !.OMP REQUIRES REVERSE_OFFLOAD but other program units do" "" { target *-*-* } 9 }
 ! { dg-error "OpenMP device constructs/routines but does not set !.OMP REQUIRES UNIFIED_ADDRESS but other program units do" "" { target *-*-* } 9 }
 ! { dg-error "OpenMP device constructs/routines but does not set !.OMP REQUIRES UNIFIED_SHARED_MEMORY but other program units do" "" { target *-*-* } 9 }
 end
diff --git a/gcc/testsuite/gfortran.dg/gomp/requires-8.f90 b/gcc/testsuite/gfortran.dg/gomp/requires-8.f90
index eadfcaf8609..e84d609ad29 100644
--- a/gcc/testsuite/gfortran.dg/gomp/requires-8.f90
+++ b/gcc/testsuite/gfortran.dg/gomp/requires-8.f90
@@ -13,7 +13,7 @@ contains
  end subroutine foo
 end module m
 
-subroutine bar  ! { dg-error "has OpenMP device constructs/routines but does not set !.OMP REQUIRES REVERSE_OFFSET but other program units do" }
+subroutine bar  ! { dg-error "has OpenMP device constructs/routines but does not set !.OMP REQUIRES REVERSE_OFFLOAD but other program units do" }
   !use m
   !$omp requires unified_shared_memory
   !$omp declare target