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Do not consider traits that have unsatisfied const conditions to be conditionally const #135425

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merged 1 commit into from
Jan 15, 2025

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@compiler-errors compiler-errors commented Jan 13, 2025

This will improve error messages as we continue to constify traits, since we don't want to start calling things "conditionally const" if they aren't implemented with a const impl anyways.

The only case that this affects today is Deref since that's one of the only constified traits in the standard library :)

r? RalfJung

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jan 13, 2025
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rustbot commented Jan 13, 2025

Some changes occurred to the CTFE machinery

cc @rust-lang/wg-const-eval

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bors commented Jan 14, 2025

☔ The latest upstream changes (presumably #135438) made this pull request unmergeable. Please resolve the merge conflicts.

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LGTM, thanks! r=me after rebase to resolve conflicts.

@compiler-errors compiler-errors force-pushed the not-conditionally-const branch from 1e31a7d to 2669f2a Compare January 14, 2025 18:53
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@bors r=RalfJung

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bors commented Jan 14, 2025

📌 Commit 2669f2a has been approved by RalfJung

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Jan 14, 2025
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jan 14, 2025
…const, r=RalfJung

Do not consider traits that have unsatisfied const conditions to be conditionally const

This will improve error messages as we continue to constify traits, since we don't want to start calling things "conditionally const" if they aren't implemented with a const impl anyways.

The only case that this affects today is `Deref` since that's one of the only constified traits in the standard library :)

r? RalfJung
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this pull request Jan 14, 2025
…const, r=RalfJung

Do not consider traits that have unsatisfied const conditions to be conditionally const

This will improve error messages as we continue to constify traits, since we don't want to start calling things "conditionally const" if they aren't implemented with a const impl anyways.

The only case that this affects today is `Deref` since that's one of the only constified traits in the standard library :)

r? RalfJung
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 15, 2025
…iaskrgr

Rollup of 7 pull requests

Successful merges:

 - rust-lang#134940 (Make sure to scrape region constraints from deeply normalizing type outlives assumptions in borrowck)
 - rust-lang#135047 (Add gpu-kernel calling convention)
 - rust-lang#135228 (Improve `DispatchFromDyn` and `CoerceUnsized` impl validation)
 - rust-lang#135264 (Consider more erroneous layouts as `LayoutError::ReferencesError` to suppress spurious errors)
 - rust-lang#135302 (for purely return-type based searches, deprioritize clone-like functions)
 - rust-lang#135380 (Make sure we can produce `ConstArgHasWrongType` errors for valtree consts)
 - rust-lang#135425 (Do not consider traits that have unsatisfied const conditions to be conditionally const)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 15, 2025
…kingjubilee

Rollup of 11 pull requests

Successful merges:

 - rust-lang#134913 (bootstrap: do not rely on LIBRARY_PATH env variable)
 - rust-lang#134940 (Make sure to scrape region constraints from deeply normalizing type outlives assumptions in borrowck)
 - rust-lang#135228 (Improve `DispatchFromDyn` and `CoerceUnsized` impl validation)
 - rust-lang#135264 (Consider more erroneous layouts as `LayoutError::ReferencesError` to suppress spurious errors)
 - rust-lang#135302 (for purely return-type based searches, deprioritize clone-like functions)
 - rust-lang#135353 (re-add --disable-minification to rustdoc)
 - rust-lang#135380 (Make sure we can produce `ConstArgHasWrongType` errors for valtree consts)
 - rust-lang#135423 (Enforce syntactical stability of const traits in HIR)
 - rust-lang#135425 (Do not consider traits that have unsatisfied const conditions to be conditionally const)
 - rust-lang#135499 (fix underlining of hovered intra-doc links.)
 - rust-lang#135505 (Fix clippy lints in rustdoc)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 0a1b9db into rust-lang:master Jan 15, 2025
6 checks passed
@rustbot rustbot added this to the 1.86.0 milestone Jan 15, 2025
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Jan 15, 2025
Rollup merge of rust-lang#135425 - compiler-errors:not-conditionally-const, r=RalfJung

Do not consider traits that have unsatisfied const conditions to be conditionally const

This will improve error messages as we continue to constify traits, since we don't want to start calling things "conditionally const" if they aren't implemented with a const impl anyways.

The only case that this affects today is `Deref` since that's one of the only constified traits in the standard library :)

r? RalfJung
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5 participants