[OpenMP] Parsing + sema for "target enter data" directive.

Patch by Arpith Jacob. Thanks!

llvm-svn: 258165
diff --git a/clang/lib/Basic/OpenMPKinds.cpp b/clang/lib/Basic/OpenMPKinds.cpp
index 687bf4c..167a700d 100644
--- a/clang/lib/Basic/OpenMPKinds.cpp
+++ b/clang/lib/Basic/OpenMPKinds.cpp
@@ -413,6 +413,16 @@
       break;
     }
     break;
+  case OMPD_target_enter_data:
+    switch (CKind) {
+#define OPENMP_TARGET_ENTER_DATA_CLAUSE(Name)                                  \
+  case OMPC_##Name:                                                            \
+    return true;
+#include "clang/Basic/OpenMPKinds.def"
+    default:
+      break;
+    }
+    break;
   case OMPD_teams:
     switch (CKind) {
 #define OPENMP_TEAMS_CLAUSE(Name)                                              \