58918d4ccc
Summary: When using custom Env, trying to call DestroyDB() with default Options will fail. Pull Request resolved: https://github.com/facebook/rocksdb/pull/6539 Test Plan: ./db_stress Differential Revision: D20476204 Pulled By: riversand963 fbshipit-source-id: 612c6754660cc9b5bb3e9c2dbb2f6ecd7f648797