[OPENMP] Allow using of threadprivate variables as loop-control variables in lop based directives.

llvm-svn: 237102
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index db238c0..dd3ff37 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -2606,11 +2606,12 @@
           ? ((NestedLoopCount == 1) ? OMPC_linear : OMPC_lastprivate)
           : OMPC_private;
   if (((isOpenMPSimdDirective(DKind) && DVar.CKind != OMPC_unknown &&
-        DVar.CKind != PredeterminedCKind) ||
+        DVar.CKind != OMPC_threadprivate && DVar.CKind != PredeterminedCKind) ||
        (isOpenMPWorksharingDirective(DKind) && !isOpenMPSimdDirective(DKind) &&
         DVar.CKind != OMPC_unknown && DVar.CKind != OMPC_private &&
-        DVar.CKind != OMPC_lastprivate)) &&
-      (DVar.CKind != OMPC_private || DVar.RefExpr != nullptr)) {
+        DVar.CKind != OMPC_lastprivate && DVar.CKind != OMPC_threadprivate)) &&
+      ((DVar.CKind != OMPC_private && DVar.CKind != OMPC_threadprivate) ||
+       DVar.RefExpr != nullptr)) {
     SemaRef.Diag(Init->getLocStart(), diag::err_omp_loop_var_dsa)
         << getOpenMPClauseName(DVar.CKind) << getOpenMPDirectiveName(DKind)
         << getOpenMPClauseName(PredeterminedCKind);