Revert stabilization of trait_upcasting feature #120233
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The Miri subtree was changed cc @rust-lang/miri |
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The Miri subtree was changed cc @rust-lang/miri |
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r=me after fixing the CI failure. |
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@bors r+ p=1 |
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This only made it to beta, right? So don't need a stable nomination? |
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Should #65991 be reopened? |
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…abilization, r=lcnr Revert stabilization of trait_upcasting feature Reverts rust-lang#118133 This reverts commit 6d2b84b, reversing changes made to 73bc121. The feature has a soundness bug: * rust-lang#120222 It is unclear to me whether we'll actually want to destabilize, but I thought it was still prudent to open the PR for easy destabilization once we get there.
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@jackh726 I believe so |
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@rustbot labels +I-lang-nominated Let's discuss this developing situation on the lang call. |
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…iaskrgr Rollup of 9 pull requests Successful merges: - rust-lang#119664 (Fix tty detection for msys2's `/dev/ptmx`) - rust-lang#120104 (never_patterns: Count `!` bindings as diverging) - rust-lang#120109 (Move cmath into `sys`) - rust-lang#120143 (Consolidate logic around resolving built-in coroutine trait impls) - rust-lang#120159 (Track `verbose` and `verbose_internals`) - rust-lang#120188 (compiler: update freebsd and netbsd base specs.) - rust-lang#120216 (Fix a `trimmed_def_paths` assertion failure.) - rust-lang#120220 (Document `Token{Stream,Tree}::Display` more thoroughly.) - rust-lang#120233 (Revert stabilization of trait_upcasting feature) r? `@ghost` `@rustbot` modify labels: rollup
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#119664 (Fix tty detection for msys2's `/dev/ptmx`) - rust-lang#120104 (never_patterns: Count `!` bindings as diverging) - rust-lang#120109 (Move cmath into `sys`) - rust-lang#120143 (Consolidate logic around resolving built-in coroutine trait impls) - rust-lang#120159 (Track `verbose` and `verbose_internals`) - rust-lang#120216 (Fix a `trimmed_def_paths` assertion failure.) - rust-lang#120220 (Document `Token{Stream,Tree}::Display` more thoroughly.) - rust-lang#120233 (Revert stabilization of trait_upcasting feature) r? `@ghost` `@rustbot` modify labels: rollup
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Rollup merge of rust-lang#120233 - oli-obk:revert_trait_obj_upcast_stabilization, r=lcnr Revert stabilization of trait_upcasting feature Reverts rust-lang#118133 This reverts commit 6d2b84b, reversing changes made to 73bc121. The feature has a soundness bug: * rust-lang#120222 It is unclear to me whether we'll actually want to destabilize, but I thought it was still prudent to open the PR for easy destabilization once we get there.
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#119664 (Fix tty detection for msys2's `/dev/ptmx`) - rust-lang#120104 (never_patterns: Count `!` bindings as diverging) - rust-lang#120109 (Move cmath into `sys`) - rust-lang#120143 (Consolidate logic around resolving built-in coroutine trait impls) - rust-lang#120159 (Track `verbose` and `verbose_internals`) - rust-lang#120216 (Fix a `trimmed_def_paths` assertion failure.) - rust-lang#120220 (Document `Token{Stream,Tree}::Display` more thoroughly.) - rust-lang#120233 (Revert stabilization of trait_upcasting feature) r? `@ghost` `@rustbot` modify labels: rollup
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beta backport PR opened: #120269 (not approved for beta backport yet, just opened it so we can act quickly on Thursday after the compiler team triage |
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Giving the sentiment from T-types, I'm going to just mark this as backport approved. I don't think anyone wants to try to rush to fix this in the short time we have left until release. cc @rust-lang/types @rust-lang/lang |
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…ilization, r=jackh726 [beta] Revert trait obj upcast stabilization backport of rust-lang#120233 note that this is not yet approved for beta backport
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Agreed; since concerns came up let's revert and consider it without a rush. |
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…ilization, r=jackh726 [beta] Revert trait obj upcast stabilization backport of rust-lang#120233 note that this is not yet approved for beta backport
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Reverts #118133
This reverts commit 6d2b84b, reversing changes made to 73bc121.
The feature has a soundness bug:
It is unclear to me whether we'll actually want to destabilize, but I thought it was still prudent to open the PR for easy destabilization once we get there.