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-rw-r--r--UnicodeData.parse.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/UnicodeData.parse.c b/UnicodeData.parse.c
index cab9d5e..a5879b9 100644
--- a/UnicodeData.parse.c
+++ b/UnicodeData.parse.c
@@ -290,6 +290,9 @@ sequence_cmp(const void *a_, const void *b_)
}
+#if defined(__GNUC__)
+__attribute__((__pure__))
+#endif
static int
is_same_sequence(const uint32_t *a, const uint32_t *b, size_t n)
{