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Account for mutable borrow in argument suggestion #136032

Merged
merged 1 commit into from
Jan 26, 2025
Merged

Account for mutable borrow in argument suggestion #136032

merged 1 commit into from
Jan 26, 2025
+114 −57

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estebank
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error: value assigned to `object` is never read
  --> $DIR/mut-arg-of-borrowed-type-meant-to-be-arg-of-mut-borrow.rs:21:5
   |
LL |     object = &mut object2;
   |     ^^^^^^
   |
help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
   |
LL ~ fn change_object3(object: &mut Object) {
LL |
LL |     let object2 = Object;
LL ~     *object = object2;
   |

instead of

error: value assigned to `object` is never read
  --> $DIR/mut-arg-of-borrowed-type-meant-to-be-arg-of-mut-borrow.rs:21:5
   |
LL |     object = &mut object2;
   |     ^^^^^^
   |
help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
   |
LL ~ fn change_object3(object: &mut mut Object) {
LL |
LL |     let object2 = Object;
LL ~     *object = object2;
   |

Fix #136028.

@estebank
Account for mutable borrow in argument suggestion
1dfc437 
```
error: value assigned to `object` is never read
  --> $DIR/mut-arg-of-borrowed-type-meant-to-be-arg-of-mut-borrow.rs:21:5
   |
LL |     object = &mut object2;
   |     ^^^^^^
   |
help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
   |
LL ~ fn change_object3(object: &mut Object) {
LL |
LL |     let object2 = Object;
LL ~     *object = object2;
   |
```
instead of
```
error: value assigned to `object` is never read
  --> $DIR/mut-arg-of-borrowed-type-meant-to-be-arg-of-mut-borrow.rs:21:5
   |
LL |     object = &mut object2;
   |     ^^^^^^
   |
help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
   |
LL ~ fn change_object3(object: &mut mut Object) {
LL |
LL |     let object2 = Object;
LL ~     *object = object2;
   |
```

Fix rust-lang#136028.
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rustbot commented Jan 24, 2025

r? @SparrowLii

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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 Jan 24, 2025
SparrowLii
SparrowLii approved these changes Jan 26, 2025
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LGTM

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@bors r+

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bors commented Jan 26, 2025

📌 Commit 1dfc437 has been approved by SparrowLii

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 26, 2025
@jhpratt jhpratt mentioned this pull request Jan 26, 2025
Merged
bors added a commit to rust-lang-ci/rust that referenced this pull request Jan 26, 2025
@bors
Auto merge of rust-lang#136085 - jhpratt:rollup-dxmb2h2, r=jhpratt
c2270be 
Rollup of 7 pull requests

Successful merges:

 - rust-lang#133951 (Make the wasm_c_abi future compat warning a hard error)
 - rust-lang#134283 (fix(libtest): Deprecate '--logfile')
 - rust-lang#135785 (use `PassMode::Direct` for vector types on `s390x`)
 - rust-lang#135948 (Update emscripten std tests)
 - rust-lang#135951 (Use `fmt::from_fn` in more places in the compiler)
 - rust-lang#136031 (Expand polonius MIR dump)
 - rust-lang#136032 (Account for mutable borrow in argument suggestion)

Failed merges:

 - rust-lang#135635 (Move `std::io::pipe` code into its own file)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit 64550d1 into rust-lang:master Jan 26, 2025
6 checks passed
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Jan 26, 2025
@rust-timer
Unrolled build for rust-lang#136032
ad1fd25 
Rollup merge of rust-lang#136032 - estebank:issue-136028, r=SparrowLii

Account for mutable borrow in argument suggestion

```
error: value assigned to `object` is never read
  --> $DIR/mut-arg-of-borrowed-type-meant-to-be-arg-of-mut-borrow.rs:21:5
   |
LL |     object = &mut object2;
   |     ^^^^^^
   |
help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
   |
LL ~ fn change_object3(object: &mut Object) {
LL |
LL |     let object2 = Object;
LL ~     *object = object2;
   |
```
instead of
```
error: value assigned to `object` is never read
  --> $DIR/mut-arg-of-borrowed-type-meant-to-be-arg-of-mut-borrow.rs:21:5
   |
LL |     object = &mut object2;
   |     ^^^^^^
   |
help: you might have meant to mutate the pointed at value being passed in, instead of changing the reference in the local binding
   |
LL ~ fn change_object3(object: &mut mut Object) {
LL |
LL |     let object2 = Object;
LL ~     *object = object2;
   |
```

Fix rust-lang#136028.
@rustbot rustbot added this to the 1.86.0 milestone Jan 26, 2025
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@SparrowLii SparrowLii SparrowLii approved these changes

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Successfully merging this pull request may close these issues.

New suggestion for overwriting a reference is wrong for mutable references
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