[OPENMP5.0]Allow teams directive outside of the target directives.

According to OpenMP 5.0, teams directives are allowed not only in the
target context, but also in the implicit parallel regions.

llvm-svn: 371553

1 files changed, 4 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 9d3d3a50775..f7adf211de5 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -3876,7 +3876,10 @@ static bool checkNestingOfRegions(Sema &SemaRef, const DSAStackTy *Stack,
       // OpenMP [2.16, Nesting of Regions]
       // If specified, a teams construct must be contained within a target
       // construct.
-      NestingProhibited = ParentRegion != OMPD_target;
+      NestingProhibited =
+          (SemaRef.LangOpts.OpenMP <= 45 && ParentRegion != OMPD_target) ||
+          (SemaRef.LangOpts.OpenMP >= 50 && ParentRegion != OMPD_unknown &&
+           ParentRegion != OMPD_target);
       OrphanSeen = ParentRegion == OMPD_unknown;
       Recommend = ShouldBeInTargetRegion;
     }