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-rw-r--r--mysql-test/lib/mtr_unique.pm2
1 files changed, 2 insertions, 0 deletions
diff --git a/mysql-test/lib/mtr_unique.pm b/mysql-test/lib/mtr_unique.pm
index 2ac172883a2..294a5d7b4d6 100644
--- a/mysql-test/lib/mtr_unique.pm
+++ b/mysql-test/lib/mtr_unique.pm
@@ -188,6 +188,8 @@ sub mtr_release_unique_id($) {
flock SEM, LOCK_UN or warn "can't unlock $file.sem";
close SEM;
+
+ delete $mtr_unique_ids{$$};
}