Rollup of 4 pull requests #91555
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Rollup of 4 pull requests #91555
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Currently, we check if the returned type equals to `tcx.ty_error()` not to emit erroneous types, but this has a pitfall; for example, `Option<[type error]> != tcx.ty_error()` holds.
Skip reborrows in AbstractConstBuilder Fixes rust-lang#90455 Temporary fix to prevent confusing diagnostics that refer to implicit borrows and derefs until we allow borrows and derefs on constant expressions. r? `@oli-obk`
Pretty print empty blocks as {}
**Example:**
```rust
macro_rules! p {
($e:expr) => {
println!("{}", stringify!($e));
};
($i:item) => {
println!("{}", stringify!($i));
};
}
fn main() {
p!(if true {});
p!(struct S {});
}
```
**Before:**
```console
if true { }
struct S {
}
```
**After:**
```console
if true {}
struct S {}
```
This affects [`dbg!`](https://doc.rust-lang.org/std/macro.dbg.html), as well as ecosystem uses of stringify such as in [`anyhow::ensure!`](https://docs.rs/anyhow/1/anyhow/macro.ensure.html). Printing a `{ }` in today's heavily rustfmt'd world comes out looking jarring/sloppy.
…bank Don't suggest types whose inner type is erroneous Currently, we check if the returned type equals to `tcx.ty_error()` not to emit erroneous types, but this has a pitfall; for example, `Option<[type error]> != tcx.ty_error()` holds. Fixes rust-lang#91371.
…, r=nagisa Stabilize `-Z emit-future-incompat` as `--json future-incompat` The FCP was completed in rust-lang#71249
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@bors r+ rollup=never p=4 |
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📌 Commit 068b304 has been approved by |
bors
added
the
S-waiting-on-bors
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☀️ Test successful - checks-actions |
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Finished benchmarking commit (772d51f): comparison url. Summary: This benchmark run did not return any relevant changes. If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf. @rustbot label: -perf-regression |
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Successful merges:
-Z emit-future-incompatas--json future-incompat#91535 (Stabilize-Z emit-future-incompatas--json future-incompat)Failed merges:
r? @ghost
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