clarify rustc_do_not_const_check comment
#142528
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rustbot has assigned @Mark-Simulacrum. Use |
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rust-analyzer is developed in its own repository. If possible, consider making this change to rust-lang/rust-analyzer instead. cc @rust-lang/rust-analyzer |
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Please send a PR against https://github.com/rust-lang/rust-analyzer/ instead. |
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Oh, hm.. I thought this was in rust-lang/rust, let me check again |
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Fixed |
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Heh. Where do we use it for other purposes? May be worth mentioning examples |
Did we? I think there was a proposal to do that and I vehemently opposed it. I don't remember anything ever landing. |
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well true, there was a proposal to use it for iterator as a temporary
solution but that wasnt accepted. we can keep the original "always" then.
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Ok it should now be uncontroversial |
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r? oli-obk (but seems good to me) |
RalfJung
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Jun 16, 2025
| @@ -486,7 +486,7 @@ pub const INERT_ATTRIBUTES: &[BuiltinAttribute] = &[ | |||
| rustc_legacy_const_generics, Normal, template!(List: "N"), ErrorFollowing, | |||
| INTERNAL_UNSTABLE | |||
| ), | |||
| // Do not const-check this function's body. It will always get replaced during CTFE. | |||
| // Do not const-check this function's body. It will always get replaced during CTFE via `hook_special_const_fn`. | |||
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There's no such function in RA so does this comment really make sense here?
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Yes, the file is largely a copy of the rustc one.
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@bors r+ rollup |
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…v, r=RalfJung clarify `rustc_do_not_const_check` comment ~~Given that we have used this attribute for other reasons before it seems appropriate to make this a "usually".~~ Add function name as a pointer cc `@rust-lang/wg-const-eval`
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Rollup of 7 pull requests Successful merges: - #138237 (Get rid of `EscapeDebugInner`.) - #140809 (Reduce special casing for the panic runtime) - #141990 (Implement send_signal for unix child processes) - #142082 (Refactor `rustc_attr_data_structures` documentation) - #142125 (Stabilize "file_lock" feature) - #142528 (clarify `rustc_do_not_const_check` comment) - #142530 (use `if let` guards where possible) r? `@ghost` `@rustbot` modify labels: rollup
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…v, r=RalfJung clarify `rustc_do_not_const_check` comment ~~Given that we have used this attribute for other reasons before it seems appropriate to make this a "usually".~~ Add function name as a pointer cc ``@rust-lang/wg-const-eval``
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Rollup of 8 pull requests Successful merges: - #140809 (Reduce special casing for the panic runtime) - #142082 (Refactor `rustc_attr_data_structures` documentation) - #142125 (Stabilize "file_lock" feature) - #142373 (Fix Debug for Location) - #142414 (ignore `run-make` tests that need `std` on targets without `std`) - #142416 (Assorted bootstrap cleanups (step 2)) - #142431 (Add initial version of snapshot tests to bootstrap) - #142528 (clarify `rustc_do_not_const_check` comment) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup of 12 pull requests Successful merges: - #141639 (Expose discriminant values in stable_mir) - #142082 (Refactor `rustc_attr_data_structures` documentation) - #142125 (Stabilize "file_lock" feature) - #142236 (Add documentation for `PathBuf`'s `FromIterator` and `Extend` impls) - #142373 (Fix Debug for Location) - #142416 (Assorted bootstrap cleanups (step 2)) - #142431 (Add initial version of snapshot tests to bootstrap) - #142450 (Add documentation on top of `rustc_middle/src/query/mod.rs`) - #142528 (clarify `rustc_do_not_const_check` comment) - #142530 (use `if let` guards where possible) - #142561 (Remove an `njn:` comment accidentaly left behind.) - #142566 (Fix `-nopt` CI jobs) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of #142528 - fee1-dead-contrib:push-rlxklunqkwmv, r=RalfJung clarify `rustc_do_not_const_check` comment ~~Given that we have used this attribute for other reasons before it seems appropriate to make this a "usually".~~ Add function name as a pointer cc ```@rust-lang/wg-const-eval```
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Rollup of 12 pull requests Successful merges: - rust-lang#141639 (Expose discriminant values in stable_mir) - rust-lang#142082 (Refactor `rustc_attr_data_structures` documentation) - rust-lang#142125 (Stabilize "file_lock" feature) - rust-lang#142236 (Add documentation for `PathBuf`'s `FromIterator` and `Extend` impls) - rust-lang#142373 (Fix Debug for Location) - rust-lang#142416 (Assorted bootstrap cleanups (step 2)) - rust-lang#142431 (Add initial version of snapshot tests to bootstrap) - rust-lang#142450 (Add documentation on top of `rustc_middle/src/query/mod.rs`) - rust-lang#142528 (clarify `rustc_do_not_const_check` comment) - rust-lang#142530 (use `if let` guards where possible) - rust-lang#142561 (Remove an `njn:` comment accidentaly left behind.) - rust-lang#142566 (Fix `-nopt` CI jobs) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup of 12 pull requests Successful merges: - rust-lang/rust#141639 (Expose discriminant values in stable_mir) - rust-lang/rust#142082 (Refactor `rustc_attr_data_structures` documentation) - rust-lang/rust#142125 (Stabilize "file_lock" feature) - rust-lang/rust#142236 (Add documentation for `PathBuf`'s `FromIterator` and `Extend` impls) - rust-lang/rust#142373 (Fix Debug for Location) - rust-lang/rust#142416 (Assorted bootstrap cleanups (step 2)) - rust-lang/rust#142431 (Add initial version of snapshot tests to bootstrap) - rust-lang/rust#142450 (Add documentation on top of `rustc_middle/src/query/mod.rs`) - rust-lang/rust#142528 (clarify `rustc_do_not_const_check` comment) - rust-lang/rust#142530 (use `if let` guards where possible) - rust-lang/rust#142561 (Remove an `njn:` comment accidentaly left behind.) - rust-lang/rust#142566 (Fix `-nopt` CI jobs) r? `@ghost` `@rustbot` modify labels: rollup
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Given that we have used this attribute for other reasons before it seems appropriate to make this a "usually".Add function name as a pointer
cc @rust-lang/wg-const-eval