[OPENMP] Initial parsing and sema analysis for 'update' clause of 'atomic' directive.

llvm-svn: 213735
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index 7cefa80..78a4441 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -1721,6 +1721,9 @@
   case OMPC_write:
     C = new (Context) OMPWriteClause();
     break;
+  case OMPC_update:
+    C = new (Context) OMPUpdateClause();
+    break;
   case OMPC_private:
     C = OMPPrivateClause::CreateEmpty(Context, Record[Idx++]);
     break;
@@ -1819,6 +1822,8 @@
 
 void OMPClauseReader::VisitOMPWriteClause(OMPWriteClause *) {}
 
+void OMPClauseReader::VisitOMPUpdateClause(OMPUpdateClause *) {}
+
 void OMPClauseReader::VisitOMPPrivateClause(OMPPrivateClause *C) {
   C->setLParenLoc(Reader->ReadSourceLocation(Record, Idx));
   unsigned NumVars = C->varlist_size();