julia

24f53313 - Avoid erasing `envout` during `exists_subtype` if there's remaining `Runions`. (#46302)

Avoid erasing `envout` during `exists_subtype` if there's remaining `Runions`. (#46302) * Preserve all `envout` if there's remaining `Runions` * Only update `envout` if `ans == true` * Add test.