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rust/compiler/rustc_query_impl/src
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bors 1aeb99d248 Auto merge of #122156 - Zoxc:side-effect-dep-node, r=oli-obk 
Represent diagnostic side effects as dep nodes

This changes diagnostic to be tracked as a special dep node (`SideEffect`) instead of having a list of side effects associated with each dep node. `SideEffect` is always red and when forced, it emits the diagnostic and marks itself green. Each emitted diagnostic generates a new `SideEffect` with an unique dep node index.

Some implications of this:

- Diagnostic may now be emitted more than once as they can be emitted once when the `SideEffect` gets marked green and again if the task it depends on needs to be re-executed due to another node being red. It relies on deduplicating of diagnostics to avoid that.

- Anon tasks which emits diagnostics will no longer *incorrectly* be merged with other anon tasks.

- Reusing a CGU will now emit diagnostics from the task generating it.
2025-03-19 15:51:54 +00:00
..
lib.rs Auto merge of #138414 - matthiaskrgr:rollup-9ablqdb, r=matthiaskrgr 2025-03-12 17:27:43 +00:00
plumbing.rs Auto merge of #122156 - Zoxc:side-effect-dep-node, r=oli-obk 2025-03-19 15:51:54 +00:00
profiling_support.rs Move some code from Compiler::enter to GlobalCtxt::finish 2024-11-09 17:55:39 +00:00
README.md Move the query system to rustc_query_impl. 2021-02-19 17:51:58 +01:00

README.md

For more information about how the query system works, see the rustc dev guide.