diff --git a/clang/lib/Serialization/ASTWriterStmt.cpp b/clang/lib/Serialization/ASTWriterStmt.cpp
index deba1cc..84a5324 100644
--- a/clang/lib/Serialization/ASTWriterStmt.cpp
+++ b/clang/lib/Serialization/ASTWriterStmt.cpp
@@ -2247,6 +2247,12 @@
   Code = serialization::STMT_OMP_MASTER_TASKLOOP_DIRECTIVE;
 }
 
+void ASTStmtWriter::VisitOMPMasterTaskLoopSimdDirective(
+    OMPMasterTaskLoopSimdDirective *D) {
+  VisitOMPLoopDirective(D);
+  Code = serialization::STMT_OMP_MASTER_TASKLOOP_SIMD_DIRECTIVE;
+}
+
 void ASTStmtWriter::VisitOMPParallelMasterTaskLoopDirective(
     OMPParallelMasterTaskLoopDirective *D) {
   VisitOMPLoopDirective(D);