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-rw-r--r--storage/xtradb/include/dict0mem.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/storage/xtradb/include/dict0mem.h b/storage/xtradb/include/dict0mem.h
index ba98eed7701..2bdad46ae08 100644
--- a/storage/xtradb/include/dict0mem.h
+++ b/storage/xtradb/include/dict0mem.h
@@ -87,7 +87,7 @@ combination of types */
/* @{ */
#define DICT_TF_FORMAT_SHIFT 5 /* file format */
#define DICT_TF_FORMAT_MASK \
-((~(~0 << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT))) << DICT_TF_FORMAT_SHIFT)
+((~(~0U << (DICT_TF_BITS - DICT_TF_FORMAT_SHIFT))) << DICT_TF_FORMAT_SHIFT)
#define DICT_TF_FORMAT_51 0 /*!< InnoDB/MySQL up to 5.1 */
#define DICT_TF_FORMAT_ZIP 1 /*!< InnoDB plugin for 5.1:
compressed tables,