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-rw-r--r--core/templates/safe_refcount.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/core/templates/safe_refcount.h b/core/templates/safe_refcount.h
index 91a34ecd54..e9e5695f80 100644
--- a/core/templates/safe_refcount.h
+++ b/core/templates/safe_refcount.h
@@ -36,6 +36,7 @@
#if !defined(NO_THREADS)
#include <atomic>
+#include <type_traits>
// Design goals for these classes:
// - No automatic conversions or arithmetic operators,