[OPENMP] Initial parsing and sema analysis of 'taskyield' directive.

llvm-svn: 213355
diff --git a/clang/lib/Basic/OpenMPKinds.cpp b/clang/lib/Basic/OpenMPKinds.cpp
index 7e00b7a..543bdb3 100644
--- a/clang/lib/Basic/OpenMPKinds.cpp
+++ b/clang/lib/Basic/OpenMPKinds.cpp
@@ -257,6 +257,7 @@
   case OMPD_threadprivate:
   case OMPD_section:
   case OMPD_master:
+  case OMPD_taskyield:
     break;
   }
   return false;