diff --git a/openmp/runtime/test/tasking/hidden_helper_task/common.h b/openmp/runtime/test/tasking/hidden_helper_task/common.h
--- a/openmp/runtime/test/tasking/hidden_helper_task/common.h
+++ b/openmp/runtime/test/tasking/hidden_helper_task/common.h
@@ -1,6 +1,7 @@
 #include <cassert>
 #include <iostream>
 #include <string>
+#include <cstdint>
 
 extern "C" {
 struct ident_t;