Introduce a rustc_ attribute to dump all the DefId parents of a DefId
#127181
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matthiaskrgr
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…er-errors Introduce a `rustc_` attribute to dump all the `DefId` parents of a `DefId` We've run into a bunch of issues with anon consts having the wrong generics and it would have been incredibly helpful to be able to quickly slap a `rustc_` attribute to check what `tcx.parent(` will return on the relevant DefIds. I wasn't sure of a better way to make this work for anon consts than requiring the attribute to be on the enclosing item and then walking the inside of it to look for any anon consts. This particular method will honestly break at some point when we stop having a `DefId` available for anon consts in hir but that's for another day... r? `@compiler-errors`
This was referenced Jul 1, 2024
bors
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…iaskrgr Rollup of 7 pull requests Successful merges: - rust-lang#126923 (test: dont optimize to invalid bitcasts) - rust-lang#127090 (Reduce merge conflicts from rustfmt's wrapping) - rust-lang#127105 (Only update `Eq` operands in GVN if it can update both sides) - rust-lang#127150 (Fix x86_64 code being produced for bare-metal LoongArch targets' `compiler_builtins`) - rust-lang#127181 (Introduce a `rustc_` attribute to dump all the `DefId` parents of a `DefId`) - rust-lang#127182 (Fix error in documentation for IpAddr::to_canonical and Ipv6Addr::to_canonical) - rust-lang#127191 (Ensure `out_of_scope_macro_calls` lint is registered) r? `@ghost` `@rustbot` modify labels: rollup
rust-timer
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Rollup merge of rust-lang#127181 - BoxyUwU:dump_def_parents, r=compiler-errors Introduce a `rustc_` attribute to dump all the `DefId` parents of a `DefId` We've run into a bunch of issues with anon consts having the wrong generics and it would have been incredibly helpful to be able to quickly slap a `rustc_` attribute to check what `tcx.parent(` will return on the relevant DefIds. I wasn't sure of a better way to make this work for anon consts than requiring the attribute to be on the enclosing item and then walking the inside of it to look for any anon consts. This particular method will honestly break at some point when we stop having a `DefId` available for anon consts in hir but that's for another day... r? ``@compiler-errors``
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We've run into a bunch of issues with anon consts having the wrong generics and it would have been incredibly helpful to be able to quickly slap a
rustc_attribute to check whattcx.parent(will return on the relevant DefIds.I wasn't sure of a better way to make this work for anon consts than requiring the attribute to be on the enclosing item and then walking the inside of it to look for any anon consts. This particular method will honestly break at some point when we stop having a
DefIdavailable for anon consts in hir but that's for another day...r? @compiler-errors