Yuki Okushi 78306f03ef
Rollup merge of #84179 - CDirkx:dont_send_sync, r=m-ou-se
Explicitly implement `!Send` and `!Sync` for `sys::{Args, Env}`

Remove the field `_dont_send_or_sync_me: PhantomData<*mut ()>` in favor of an explicit implementation of `!Send` and `!Sync`.
2021-04-25 01:53:11 +09:00
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