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Upgrade minifier version to 0.0.41
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Search result extra info
The CSS rule was not updated when we updated the search result, this fixes it:
Before:
After:
r? `@jsha`
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Update Clippy
Bi-weekly Clippy update
r? `@Manishearth`
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Rollup of 4 pull requests
Successful merges:
- #85506 (Reset "focusedByTab" field when doing another search)
- #85548 (Remove dead toggle JS code)
- #85550 (facepalm: operator precedence fail on my part.)
- #85555 (Check for more things in THIR unsafeck)
Failed merges:
r? `@ghost`
`@rustbot` modify labels: rollup
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Check for more things in THIR unsafeck
Reunion of #85306, #85381 and #85419 with conflicts resolved.
r? `@nikomatsakis`
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facepalm: operator precedence fail on my part.
This bug was only visible on mac. Also, print_step_rusage is a relatively new
internal feature, that is not heavily used, and has no tests. All of these
factors contributed to how this went uncaught this long. Thanks to Josh Triplett
for pointing it out!
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Remove dead toggle JS code
Explanations on how I got there: I randomly saw `adjustToggle` while browsing through code, checked where it was called, put a `debugger;` instruction in it and checked on all pages while playing with settings and toggles. The breakpoint was never triggered. I then looked at `collapseNonInherent` (its grand-parent). In there, the breakpoint was triggered so I look at what was being done and in fact... nothing. So I simply removed it all, re-ran the tests and play with the UI. Everything is working as expected.
Better double check in case I forgot to check a case though, but if nothing has been left out, then it's a great cleanup once again. :)
r? ``@jsha``
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Reset "focusedByTab" field when doing another search
Fixes https://github.com/rust-lang/rust/issues/85467.
The problem was simply that we forget to reset the `focusedByTab` field, which was still referring to removed DOM elements.
r? ``@jsha``
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Adjust self-type check to require equality
When we encounter `SomeType::<X>::foo`, `self_ty` is `SomeType<X>` and the method is defined in an impl on `SomeType<A>`. Previously, we required simply that `self_ty <: impl_ty`, but this is too lax: we should require equality in order to use the method. This was found as part of unrelated work on never type stabilization, but also fixes one of the wf test cases.
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This bug was only visible on mac. Also, print_step_rusage is a relatively new
internal feature, that is not heavily used, and has no tests. All of these
factors contributed to how this went uncaught this long. Thanks to Josh Triplett
for pointing it out!
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:arrow_up: rust-analyzer
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update miri
Fixes https://github.com/rust-lang/rust/issues/85468
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Prevent tab title to "null" if the URL is a search one
When we arrive on page with a search parameter in the URL, until the results are displayed, the page title is "null". It's because of this code:
```js
if (params.search !== undefined) {
var search = searchState.outputElement();
search.innerHTML = "<h3 style=\"text-align: center;\">" +
searchState.loadingText + "</h3>";
searchState.showResults(search);
loadSearch();
}
```
In `searchState.showResults`, we have this:
```js
document.title = searchState.title;
```
But since it's `null`, we set it as title. This PR fixes it.
r? `@jsha`
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Extend escape key check
Since #84462 has been merged, we can now extend the `escape-key` test.
r? `@jsha`
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Fix missing lifetimes diagnostics after #83759
In #83759 while rebasing I didn't realize there was a new function for suggesting to add lifetime arguments. It relied on some invariants, namely that if a generic type/trait has angle brackets then it must have some generic argument, which is now no longer true. This PR updates that function to handle the new invariants.
This also adds a new regression test but I'm not sure if that's the correct place for it.
Fixes #85347
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bootstrap: ensure host std when cross-compiling tools, fixes #85320
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Fix invalid CSS rules for a:hover
When hovering some links:
It is a side-effect from #84462.
r? ```@jsha```
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Add method-toggle to <details> for methods
The makes the code for handling "auto-hide" settings more consistent.
Demo at https://hoffman-andrews.com/rust/hoist-classes/std/string/struct.String.html
Fixes #84829
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impl FromStr for proc_macro::Literal
Note that unlike `impl FromStr for proc_macro::TokenStream`, this impl does not permit whitespace or comments. The input string must consist of nothing but your literal.
- `"1".parse::<Literal>()` ⟶ ok
- `"1.0".parse::<Literal>()` ⟶ ok
- `"'a'".parse::<Literal>()` ⟶ ok
- `"\"\n\"".parse::<Literal>()` ⟶ ok
- `"0 1".parse::<Literal>()` ⟶ LexError
- `" 0".parse::<Literal>()` ⟶ LexError
- `"0 ".parse::<Literal>()` ⟶ LexError
- `"/* comment */0".parse::<Literal>()` ⟶ LexError
- `"0/* comment */".parse::<Literal>()` ⟶ LexError
- `"0// comment".parse::<Literal>()` ⟶ LexError
---
## Use case
```rust
let hex_int: Literal = format!("0x{:x}", int).parse().unwrap();
```
The only way this is expressible in the current API is significantly worse.
```rust
let hex_int = match format!("0x{:x}", int)
.parse::<TokenStream>()
.unwrap()
.into_iter()
.next()
.unwrap()
{
TokenTree::Literal(literal) => literal,
_ => unreachable!(),
};
```
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r=Mark-Simulacrum
std: Attempt again to inline thread-local-init across crates
Issue #25088 has been part of `thread_local!` for quite some time now.
Historical attempts have been made to add `#[inline]` to `__getit`
in #43931, #50252, and #59720, but these attempts ended up not landing
at the time due to segfaults on Windows.
In the interim though with `const`-initialized thread locals AFAIK this
is the only remaining bug which is why you might want to use
`#[thread_local]` over `thread_local!`. As a result I figured it was
time to resubmit this and see how it fares on CI and if I can help
debugging any issues that crop up.
Closes #25088
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Set dso_local for more items
Related to https://github.com/rust-lang/rust/pull/83592. (cc `@nagisa)`
Noticed that on x86_64 with `relocation-model: static` `R_X86_64_GOTPCREL` relocations were still generated in some cases. (related: https://github.com/Rust-for-Linux/linux/issues/135; Rust-for-Linux needs these fixes to successfully build)
First time doing anything with LLVM so not sure whether this is correct but the following are some of the things I've tried to convince myself.
## C equivalent
Example from clang which also sets `dso_local` in these cases:
`clang-12 -fno-PIC -S -emit-llvm test.c`
```C
extern int A;
int* a() {
return &A;
}
int B;
int* b() {
return &B;
}
```
```
; ModuleID = 'test.c'
source_filename = "test.c"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
`@A` = external dso_local global i32, align 4
`@B` = dso_local global i32 0, align 4
; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32* `@a()` #0 {
ret i32* `@A`
}
; Function Attrs: noinline nounwind optnone uwtable
define dso_local i32* `@b()` #0 {
ret i32* `@B`
}
attributes #0 = { noinline nounwind optnone uwtable "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" "unsafe-fp-math"="false" "use-soft-float"="false" }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{!"clang version 12.0.0 (https://github.com/llvm/llvm-project/ b978a93635b584db380274d7c8963c73989944a1)"}
```
`clang-12 -fno-PIC -c test.c`
`objdump test.o -r`:
```
test.o: file format elf64-x86-64
RELOCATION RECORDS FOR [.text]:
OFFSET TYPE VALUE
0000000000000006 R_X86_64_64 A
0000000000000016 R_X86_64_64 B
RELOCATION RECORDS FOR [.eh_frame]:
OFFSET TYPE VALUE
0000000000000020 R_X86_64_PC32 .text
0000000000000040 R_X86_64_PC32 .text+0x0000000000000010
```
## Comparison to pre-LLVM 12 output
`rustc --emit=obj,llvm-ir --target=x86_64-unknown-none-linuxkernel --crate-type rlib test.rs`
```Rust
#![feature(no_core, lang_items)]
#![no_core]
#[lang="sized"]
trait Sized {}
#[lang="sync"]
trait Sync {}
#[lang = "drop_in_place"]
pub unsafe fn drop_in_place<T: ?Sized>(_: *mut T) {}
impl Sync for i32 {}
pub static STATIC: i32 = 32;
extern {
pub static EXT_STATIC: i32;
}
pub fn a() -> &'static i32 {
&STATIC
}
pub fn b() -> &'static i32 {
unsafe {&EXT_STATIC}
}
```
`objdump test.o -r`
nightly-2021-02-20 (rustc target is `x86_64-linux-kernel`):
```
RELOCATION RECORDS FOR [.text._ZN4test1a17h1024ba65f3424175E]:
OFFSET TYPE VALUE
0000000000000007 R_X86_64_32S _ZN4test6STATIC17h3adc41a83746c9ffE
RELOCATION RECORDS FOR [.text._ZN4test1b17h86a6a80c1190ac8dE]:
OFFSET TYPE VALUE
0000000000000007 R_X86_64_32S EXT_STATIC
```
nightly-2021-05-10:
```
RELOCATION RECORDS FOR [.text._ZN4test1a17he846f03bf37b2d20E]:
OFFSET TYPE VALUE
0000000000000007 R_X86_64_GOTPCREL _ZN4test6STATIC17h5a059515bf3d4968E-0x0000000000000004
RELOCATION RECORDS FOR [.text._ZN4test1b17h7e0f7f80fbd91125E]:
OFFSET TYPE VALUE
0000000000000007 R_X86_64_GOTPCREL EXT_STATIC-0x0000000000000004
```
This PR:
```
RELOCATION RECORDS FOR [.text._ZN4test1a17he846f03bf37b2d20E]:
OFFSET TYPE VALUE
0000000000000007 R_X86_64_32S _ZN4test6STATIC17h5a059515bf3d4968E
RELOCATION RECORDS FOR [.text._ZN4test1b17h7e0f7f80fbd91125E]:
OFFSET TYPE VALUE
0000000000000007 R_X86_64_32S EXT_STATIC
```
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Fix escape handling
Currently, when we press Escape while on the search results, nothing is happening, this PR fixes it.
More information: it's because in case the element doesn't exist, `hasClass` will return `null`, which coerces into `false` with the `!` comparison operator. But even if it returned `false`, it would still be an issue because if the element doesn't exist, it means it's hidden so in this case it's just as good, hence the additional check I added.
r? ``@jsha``
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rustdoc: restore header sizes
The `<details>` toggle work changed the relationship from #main to the top-doc docblock so it was no longer a parent relationship but a great-grandparent relationship. This updates the CSS rules that set the heading sizes so they still apply.
Fixes #85389
r? ``@camelid``
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bootstrap: build cargo only if requested in tools
In Debian we'd like to build rustfmt and clippy alongside rustc, but we're still excluding cargo from the rustc build and doing that separately. This patch makes that possible.
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compiletest: "fix" FileCheck with --allow-unused-prefixes
The default of --allow-unused-prefixes used to be false, but in LLVM
change 87dbdd2e3b (https://reviews.llvm.org/D95849) the default became
true. I'm not quite sure how we could do better here (specifically not
providing the CHECK prefix when it's not needed), but this seems to work
for now.
This reduces codegen test failures against LLVM HEAD from 31 cases to 5.
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Fix v0 symbol mangling bug
Fixes #83611.
r? ``@jackh726``
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Stabilize extended_key_value_attributes
Closes https://github.com/rust-lang/rust/issues/44732. Closes https://github.com/rust-lang/rust/issues/78835. Closes https://github.com/rust-lang/rust/issues/82768 (by making it irrelevant).
# Stabilization report
## Summary
This stabilizes using macro expansion in key-value attributes, like so:
```rust
#[doc = include_str!("my_doc.md")]
struct S;
#[path = concat!(env!("OUT_DIR"), "/generated.rs")]
mod m;
```
See Petrochenkov's excellent blog post [on internals](https://internals.rust-lang.org/t/macro-expansion-points-in-attributes/11455)
for alternatives that were considered and rejected ("why accept no more and no less?")
This has been available on nightly since 1.50 with no major issues.
## Notes
### Accepted syntax
The parser accepts arbitrary Rust expressions in this position, but any expression other than a macro invocation will ultimately lead to an error because it is not expected by the built-in expression forms (e.g., `#[doc]`). Note that decorators and the like may be able to observe other expression forms.
### Expansion ordering
Expansion of macro expressions in "inert" attributes occurs after decorators have executed, analogously to macro expressions appearing in the function body or other parts of decorator input.
There is currently no way for decorators to accept macros in key-value position if macro expansion must be performed before the decorator executes (if the macro can simply be copied into the output for later expansion, that can work).
## Test cases
- https://github.com/rust-lang/rust/blob/master/src/test/ui/attributes/key-value-expansion-on-mac.rs
- https://github.com/rust-lang/rust/blob/master/src/test/rustdoc/external-doc.rs
The feature has also been dogfooded extensively in the compiler and
standard library:
- https://github.com/rust-lang/rust/pull/83329
- https://github.com/rust-lang/rust/pull/83230
- https://github.com/rust-lang/rust/pull/82641
- https://github.com/rust-lang/rust/pull/80534
## Implementation history
- Initial proposal: https://github.com/rust-lang/rust/issues/55414#issuecomment-554005412
- Experiment to see how much code it would break: https://github.com/rust-lang/rust/pull/67121
- Preliminary work to restrict expansion that would conflict with this
feature: https://github.com/rust-lang/rust/pull/77271
- Initial implementation: https://github.com/rust-lang/rust/pull/78837
- Fix for an ICE: https://github.com/rust-lang/rust/pull/80563
## Unresolved Questions
~~https://github.com/rust-lang/rust/pull/83366#issuecomment-805180738 listed some concerns, but they have been resolved as of this final report.~~
## Additional Information
There are two workarounds that have a similar effect for `#[doc]`
attributes on nightly. One is to emulate this behavior by using a limited version of this feature that was stabilized for historical reasons:
```rust
macro_rules! forward_inner_docs {
($e:expr => $i:item) => {
#[doc = $e]
$i
};
}
forward_inner_docs!(include_str!("lib.rs") => struct S {});
```
This also works for other attributes (like `#[path = concat!(...)]`).
The other is to use `doc(include)`:
```rust
#![feature(external_doc)]
#[doc(include = "lib.rs")]
struct S {}
```
The first works, but is non-trivial for people to discover, and
difficult to read and maintain. The second is a strange special-case for
a particular use of the macro. This generalizes it to work for any use
case, not just including files.
I plan to remove `doc(include)` when this is stabilized
(https://github.com/rust-lang/rust/pull/82539). The `forward_inner_docs`
workaround will still compile without warnings, but I expect it to be
used less once it's no longer necessary.
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The makes the code for handling "auto-hide" settings more consistent.
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Implement the new desugaring from `try_trait_v2`
~~Currently blocked on https://github.com/rust-lang/rust/issues/84782, which has a PR in https://github.com/rust-lang/rust/pull/84811~~ Rebased atop that fix.
`try_trait_v2` tracking issue: https://github.com/rust-lang/rust/issues/84277
Unfortunately this is already touching a ton of things, so if you have suggestions for good ways to split it up, I'd be happy to hear them. (The combination between the use in the library, the compiler changes, the corresponding diagnostic differences, even MIR tests mean that I don't really have a great plan for it other than trying to have decently-readable commits.
r? `@ghost`
~~(This probably shouldn't go in during the last week before the fork anyway.)~~ Fork happened.
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