Rollup of 8 pull requests #118082
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Rollup of 8 pull requests #118082
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…update_cg_gcc_2023-10-25
…update_cg_gcc_2023-10-25
Fix vector compilation error
Do not emit .eh_frame section if using -Cpanic=abort
Feature/comment section
…signed and unsigned shift amounts in the same branch
When encountering code that seems like it might be trying to have
multiple tail expressions depending on `cfg` information, suggest
alternatives that will success to parse.
```rust
fn foo() -> String {
#[cfg(feature = "validation")]
[1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
#[cfg(not(feature = "validation"))]
String::new()
}
```
```
error: expected `;`, found `#`
--> $DIR/multiple-tail-expr-behind-cfg.rs:5:64
|
LL | #[cfg(feature = "validation")]
| ------------------------------ only `;` terminated statements or tail expressions are allowed after this attribute
LL | [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
| ^ expected `;` here
LL | #[cfg(not(feature = "validation"))]
| - unexpected token
|
help: add `;` here
|
LL | [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>();
| +
help: alternatively, consider surrounding the expression with a block
|
LL | { [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>() }
| + +
help: it seems like you are trying to provide different expressions depending on `cfg`, consider using `if cfg!(..)`
|
LL ~ if cfg!(feature = "validation") {
LL ~ [1, 2, 3].iter().map(|c| c.to_string()).collect::<String>()
LL ~ } else if cfg!(not(feature = "validation")) {
LL ~ String::new()
LL + }
|
```
Fix rust-lang#106020.
…1_17 Sync from rust 2023/11/17
…update_cg_gcc_2023-11-17
…lives, r=aliemjay
Make regionck care about placeholders in outlives components
Currently, we don't consider a placeholder type `!T` to be a type component when it comes to processing type-outlives obligations. This means that they are essentially treated like unit values with no sub-components, and always outlive any region. This is problematic for `non_lifetime_binders`, and even more problematic for `with_negative_coherence`, since negative coherence uses placeholders as universals.
This PR adds `Component::Placeholder` which acts much like `Component::Param`. This currently causes a regression in some non-lifetime-binders tests because `for<T> T: 'static` doesn't imply itself when processing outlives obligations, so code like this will fail:
```
fn foo() where for<T> T: 'static {
foo() //~ fails
}
```
Since the where clause doesn't imply itself. This requires making the `MatchAgainstHigherRankedOutlives` relation smarter when it comes to binders.
r? types
…11-17, r=cjgillot subtree update cg_gcc 2023/11/17
rustbot
added
O-linux
|
@bors r+ rollup=never p=8 |
bors
added
S-waiting-on-bors
bors
added a commit
to rust-lang-ci/rust
that referenced
this pull request
Nov 20, 2023
…mpiler-errors Rollup of 8 pull requests Successful merges: - rust-lang#117828 (Avoid iterating over hashmaps in astconv) - rust-lang#117832 (interpret: simplify handling of shifts by no longer trying to handle signed and unsigned shift amounts in the same branch) - rust-lang#117891 (Recover `dyn` and `impl` after `for<...>`) - rust-lang#117957 (if available use a Child's pidfd for kill/wait) - rust-lang#117988 (Handle attempts to have multiple `cfg`d tail expressions) - rust-lang#117994 (Ignore but do not assume region obligations from unifying headers in negative coherence) - rust-lang#118000 (Make regionck care about placeholders in outlives components) - rust-lang#118068 (subtree update cg_gcc 2023/11/17) r? `@ghost` `@rustbot` modify labels: rollup
|
seems stuck |
|
@bors r+ |
|
💡 This pull request was already approved, no need to approve it again.
|
|
☀️ Test successful - checks-actions |
|
📌 Perf builds for each rolled up PR:
previous master: 79e961fa72 In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
|
Finished benchmarking commit (46ecc10): comparison URL. Overall result: no relevant changes - no action needed@rustbot label: -perf-regression Instruction countThis benchmark run did not return any relevant results for this metric. Max RSS (memory usage)ResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
CyclesResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
Binary sizeResultsThis is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.
Bootstrap: 674.774s -> 677.019s (0.33%) |
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Successful merges:
dynandimplafterfor<...>#117891 (Recoverdynandimplafterfor<...>)cfgd tail expressions #117988 (Handle attempts to have multiplecfgd tail expressions)r? @ghost
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