Rollup of 7 pull requests #90975
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Rollup of 7 pull requests #90975
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This commit tweaks the expansion of `thread_local!` when combined with a
`const { ... }` value to help ensure that the rules which apply to
`const { ... }` blocks will be the same as when they're stabilized.
Previously with this invocation:
thread_local!(static NAME: Type = const { init_expr });
this would generate (on supporting platforms):
#[thread_local]
static NAME: Type = init_expr;
instead the macro now expands to:
const INIT_EXPR: Type = init_expr;
#[thread_local]
static NAME: Type = INIT_EXPR;
with the hope that because `init_expr` is defined as a `const` item then
it's not accidentally allowing more behavior than if it were put into a
`static`. For example on the stabilization issue [this example][ex] now
gives the same error both ways.
[ex]: rust-lang#84223 (comment)
The spans for "trait bound not satisfied" errors in trivial trait bounds referenced the entire item (fn, impl, struct) before. Now they only reference the obligation itself (`String: Copy`) Address rust-lang#90869
Co-authored-by: Yuki Okushi <jtitor@2k36.org>
warn on must_use use on async fn's As referenced in rust-lang#78149 This only works on `async` fn's for now, I can also look into if I can get `Box<dyn Future>` and `impl Future` working at this level (hir)
…shtriplett Add Vec::retain_mut This is to continue the discussion started in rust-lang#83218. Original comment was: > Take 2 of rust-lang#34265, since I needed this today. The reason I think why we should add `retain_mut` is for coherency and for discoverability. For example we have `chunks` and `chunks_mut` or `get` and `get_mut` or `iter` and `iter_mut`, etc. When looking for mutable `retain`, I would expect `retain_mut` to exist. It took me a while to find out about `drain_filter`. So even if it provides an API close to `drain_filter`, just for the discoverability, I think it's worth it. cc `````@m-ou-se````` `````@jonas-schievink````` `````@Mark-Simulacrum`````
std: Tweak expansion of thread-local const
This commit tweaks the expansion of `thread_local!` when combined with a
`const { ... }` value to help ensure that the rules which apply to
`const { ... }` blocks will be the same as when they're stabilized.
Previously with this invocation:
thread_local!(static NAME: Type = const { init_expr });
this would generate (on supporting platforms):
#[thread_local]
static NAME: Type = init_expr;
instead the macro now expands to:
const INIT_EXPR: Type = init_expr;
#[thread_local]
static NAME: Type = INIT_EXPR;
with the hope that because `init_expr` is defined as a `const` item then
it's not accidentally allowing more behavior than if it were put into a
`static`. For example on the stabilization issue [this example][ex] now
gives the same error both ways.
[ex]: rust-lang#84223 (comment)
Print escaped string if char literal has multiple characters, but only one printable character Fixes rust-lang#90857 I'm not sure about the error message here, it could get rather long and *maybe* using the names of characters would be better? That wouldn't help the length any, though.
…und, r=estebank Fix span for non-satisfied trivial trait bounds The spans for "trait bound not satisfied" errors in trivial trait bounds referenced the entire item (fn, impl, struct) before. Now they only reference the obligation itself (`String: Copy`) Address rust-lang#90869
Remove workaround for the forward progress handling in LLVM this workaround was only needed for LLVM < 12 and the minimum LLVM version was updated to 12 in rust-lang#90175
…estebank Improve ManuallyDrop suggestion closes rust-lang#90585 * Fixes the recommended change to use ManuallyDrop as per the issue * Changes the note to a help * improves the span so it only points at the type.
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@bors r+ rollup=never p=7 |
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⌛ Testing commit 7e1cc71 with merge 0dd7a65ed997e377faf4caa59cbe7d3e2477e152... |
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⌛ Testing commit 7e1cc71 with merge c6857ab6ee2fcaf439de4c279a649b7f977d5cb7... |
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