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Don't suggest dereferencing to unsized type #115629

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merged 3 commits into from
Sep 8, 2023

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@compiler-errors compiler-errors commented Sep 7, 2023

Rudimentary check that the self type is Sized. I don't really like any of this diagnostics code -- it's really messy and also really prone to false positives and negatives, but oh well.

Fixes #115569

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rustbot commented Sep 7, 2023

r? @oli-obk

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@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 Sep 7, 2023
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Comment on lines +1243 to +1245
projections.sort_by_cached_key(|proj| {
cx.tcx().item_name(proj.item_def_id()).to_string()
});
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Interestingly, this isn't necessary for the pretty-printing of impl Trait, because dyn Trait is the only thing that we actually end up sorting the bounds after the fact 🤦‍♂️

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oli-obk commented Sep 7, 2023

@bors r+ rollup

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bors commented Sep 7, 2023

📌 Commit 3bf3dad has been approved by oli-obk

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 Sep 7, 2023
GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request Sep 7, 2023
… r=oli-obk

Don't suggest dereferencing to unsized type

Rudimentary check that the self type is Sized. I don't really like any of this diagnostics code -- it's really messy and also really prone to false positives and negatives, but oh well.

Fixes rust-lang#115569
GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request Sep 7, 2023
… r=oli-obk

Don't suggest dereferencing to unsized type

Rudimentary check that the self type is Sized. I don't really like any of this diagnostics code -- it's really messy and also really prone to false positives and negatives, but oh well.

Fixes rust-lang#115569
GuillaumeGomez added a commit to GuillaumeGomez/rust that referenced this pull request Sep 7, 2023
… r=oli-obk

Don't suggest dereferencing to unsized type

Rudimentary check that the self type is Sized. I don't really like any of this diagnostics code -- it's really messy and also really prone to false positives and negatives, but oh well.

Fixes rust-lang#115569
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 7, 2023
…llaumeGomez

Rollup of 8 pull requests

Successful merges:

 - rust-lang#115345 (MCP661: Move wasm32-wasi-preview1-threads target to Tier 2)
 - rust-lang#115604 (rustdoc: Render private fields in tuple struct as `/* private fields */`)
 - rust-lang#115624 (Print the path of a return-position impl trait in trait when `return_type_notation` is enabled)
 - rust-lang#115629 (Don't suggest dereferencing to unsized type)
 - rust-lang#115633 (Lint node for `PRIVATE_BOUNDS`/`PRIVATE_INTERFACES` is the item which names the private type)
 - rust-lang#115634 (Use `newtype_index` for `IntVid` and `FloatVid`.)
 - rust-lang#115638 (`-Cllvm-args` usability improvement)
 - rust-lang#115649 (diagnostics: add test case for trait bounds diagnostic)

r? `@ghost`
`@rustbot` modify labels: rollup
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 8, 2023
…iaskrgr

Rollup of 7 pull requests

Successful merges:

 - rust-lang#115345 (MCP661: Move wasm32-wasi-preview1-threads target to Tier 2)
 - rust-lang#115604 (rustdoc: Render private fields in tuple struct as `/* private fields */`)
 - rust-lang#115624 (Print the path of a return-position impl trait in trait when `return_type_notation` is enabled)
 - rust-lang#115629 (Don't suggest dereferencing to unsized type)
 - rust-lang#115634 (Use `newtype_index` for `IntVid` and `FloatVid`.)
 - rust-lang#115649 (diagnostics: add test case for trait bounds diagnostic)
 - rust-lang#115655 (rustdoc: remove unused ID `mainThemeStyle`)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 38adedc into rust-lang:master Sep 8, 2023
11 checks passed
@rustbot rustbot added this to the 1.74.0 milestone Sep 8, 2023
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 8, 2023
…llaumeGomez

Rollup of 8 pull requests

Successful merges:

 - rust-lang#115345 (MCP661: Move wasm32-wasi-preview1-threads target to Tier 2)
 - rust-lang#115604 (rustdoc: Render private fields in tuple struct as `/* private fields */`)
 - rust-lang#115624 (Print the path of a return-position impl trait in trait when `return_type_notation` is enabled)
 - rust-lang#115629 (Don't suggest dereferencing to unsized type)
 - rust-lang#115633 (Lint node for `PRIVATE_BOUNDS`/`PRIVATE_INTERFACES` is the item which names the private type)
 - rust-lang#115634 (Use `newtype_index` for `IntVid` and `FloatVid`.)
 - rust-lang#115638 (`-Cllvm-args` usability improvement)
 - rust-lang#115649 (diagnostics: add test case for trait bounds diagnostic)

r? `@ghost`
`@rustbot` modify labels: rollup
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Sep 8, 2023
Rollup merge of rust-lang#115629 - compiler-errors:sugg-deref-unsize, r=oli-obk

Don't suggest dereferencing to unsized type

Rudimentary check that the self type is Sized. I don't really like any of this diagnostics code -- it's really messy and also really prone to false positives and negatives, but oh well.

Fixes rust-lang#115569
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Don't suggest dereferencing on &dyn T where T is a trait
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