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-rw-r--r--config/initializers/ar_speed_up_migration_checking.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/config/initializers/ar_speed_up_migration_checking.rb b/config/initializers/ar_speed_up_migration_checking.rb
index 1fe5defc01d..aae774daa35 100644
--- a/config/initializers/ar_speed_up_migration_checking.rb
+++ b/config/initializers/ar_speed_up_migration_checking.rb
@@ -10,7 +10,7 @@ if Rails.env.test?
# it reads + parses `db/migrate/*` each time. Memoizing it can save 0.5
# seconds per spec.
def migrations(paths)
- @migrations ||= migrations_unmemoized(paths)
+ (@migrations ||= migrations_unmemoized(paths)).dup
end
end
end