[OPENMP] Initial parsing and sema analysis for 'single' directive.

llvm-svn: 211774
diff --git a/clang/lib/CodeGen/CGStmt.cpp b/clang/lib/CodeGen/CGStmt.cpp
index c3ad8b36..8edee89 100644
--- a/clang/lib/CodeGen/CGStmt.cpp
+++ b/clang/lib/CodeGen/CGStmt.cpp
@@ -188,6 +188,9 @@
   case Stmt::OMPSectionDirectiveClass:
     EmitOMPSectionDirective(cast<OMPSectionDirective>(*S));
     break;
+  case Stmt::OMPSingleDirectiveClass:
+    EmitOMPSingleDirective(cast<OMPSingleDirective>(*S));
+    break;
   }
 }