According to [this post](http://nanxiao.me/en/beware-ndebug-controls-assert/), when NDEBUG=1, assert() basically fails. I tried the `db_test` when NDEBUG=0, `DBTest.FLSMGuardsE2ESeekRandom` hangs on Mac OS.
According to this post, when NDEBUG=1, assert() basically fails. I tried the
db_testwhen NDEBUG=0,DBTest.FLSMGuardsE2ESeekRandomhangs on Mac OS.