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-rw-r--r--posix/regex_internal.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/posix/regex_internal.c b/posix/regex_internal.c
index bc1924365b..124f8ccf2e 100644
--- a/posix/regex_internal.c
+++ b/posix/regex_internal.c
@@ -868,7 +868,7 @@ re_string_peek_byte_case (const re_string_t *pstr, int idx)
 }
 
 static unsigned char
-internal_function __attribute ((pure))
+internal_function
 re_string_fetch_byte_case (re_string_t *pstr)
 {
   if (BE (!pstr->mbs_allocated, 1))