Nika Layzell 6d1650fe45 proc_macro: use crossbeam channels for the proc_macro cross-thread bridge ... This is done by having the crossbeam dependency inserted into the proc_macro server code from the server side, to avoid adding a dependency to proc_macro. In addition, this introduces a -Z command-line option which will switch rustc to run proc-macros using this cross-thread executor. With the changes to the bridge in #98186, #98187, #98188 and #98189, the performance of the executor should be much closer to same-thread execution. In local testing, the crossbeam executor was substantially more performant than either of the two existing CrossThread strategies, so they have been removed to keep things simple.		2022-07-29 17:38:12 -04:00
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src	proc_macro: use crossbeam channels for the proc_macro cross-thread bridge	2022-07-29 17:38:12 -04:00
Cargo.toml	proc_macro: Add a workaround for rustdoc	2022-04-19 22:49:27 +03:00