[OpenMP] Sema and parsing for 'target teams' pragma

This patch is to implement sema and parsing for 'target teams' pragma.

Differential Revision: https://reviews.llvm.org/D27818

llvm-svn: 290038
diff --git a/clang/tools/libclang/CXCursor.cpp b/clang/tools/libclang/CXCursor.cpp
index 06b0aa9..21ab884 100644
--- a/clang/tools/libclang/CXCursor.cpp
+++ b/clang/tools/libclang/CXCursor.cpp
@@ -667,6 +667,9 @@
   case Stmt::OMPTeamsDistributeParallelForDirectiveClass:
     K = CXCursor_OMPTeamsDistributeParallelForDirective;
     break;
+  case Stmt::OMPTargetTeamsDirectiveClass:
+    K = CXCursor_OMPTargetTeamsDirective;
+    break;
   }
 
   CXCursor C = { K, 0, { Parent, S, TU } };