Rollup of 9 pull requests #103623
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Rollup of 9 pull requests #103623
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Co-authored-by: Ralf Jung <post@ralfj.de>
Co-authored-by: Ralf Jung <post@ralfj.de>
The margin was already being set to 0 only a few lines lower.
Co-authored-by: Ralf Jung <post@ralfj.de>
…n3, r=thomcc
Even nicer errors from assert_unsafe_precondition
For example, now running `cargo test` with this patch I get things like:
```
$ cargo +stage1 test
Finished test [unoptimized + debuginfo] target(s) in 0.01s
Running unittests src/lib.rs (target/debug/deps/malloc_buf-9d105ddf86862995)
running 5 tests
thread 'tests::test_null_buf' panicked at 'unsafe precondition violated: is_aligned_and_not_null(data) &&
crate::mem::size_of::<T>().saturating_mul(len) <= isize::MAX as usize', /home/ben/rust/library/core/src/slice/raw.rs:93:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
thread panicked while panicking. aborting.
error: test failed, to rerun pass `--lib`
Caused by:
process didn't exit successfully: `/tmp/malloc_buf-1.0.0/target/debug/deps/malloc_buf-9d105ddf86862995` (signal: 6, SIGABRT: process abort signal)
```
This is still not perfect, but these are better for another PR:
* `stringify!` is trying to do clever pretty-printing on the `expr` inside `assert_unsafe_precondition` and can even add a newline.
* It would be nice to print a bit more information about where the problem is. Perhaps this is `cfg_attr(debug_assertions, track_caller)`, or perhaps it the function name added to `Location`.
cc ``@RalfJung`` this is what I was thinking of for rust-lang#102732 (comment)
Try to say that memory outside the AM is always exposed cc ``@Gankra`` ``@thomcc`` I want to confidently tell people that they can use `from_exposed_addr` to get a pointer for doing MMIO and/or other hardware interactions done with volatile reads/writes at particular addresses outside the Rust AM. Currently, the docs indicate that would be UB. With this change, now the docs indicate that this is intended to be a valid use of `from_exposed_addr`. r? ``@RalfJung``
Make param index generation a bit more robust r? ````@lcnr```` While not really necessary for closure and anon const ids, it's strictly more correct
…ait, r=lcnr Move a wf-check into the site where the value is instantiated r? ``@lcnr``
library: allow some unused things in Miri Should help for rust-lang#102950.
…ckh726 Process registered region obligation in `resolve_regions_with_wf_tys` Fixes rust-lang#103573
…-notable, r=GuillaumeGomez rustdoc: remove redundant CSS selector `.notable-traits .notable` The margin was already being set to 0 only a few lines lower.
…, r=fee1-dead Remove an unused parser function (`Expr::returns`) I removed the only usage in rust-lang#97474
Add test for issue 103574 Fixes rust-lang#103574 Together with some slight formatting. r? `@lcnr`
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@bors r+ rollup=never p=9 |
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☀️ Test successful - checks-actions |
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📌 Perf builds for each rolled up PR: previous master: 9dd3d29ec8 In the case of a perf regression, run the following command for each PR you suspect might be the cause: |
This was referenced Oct 27, 2022
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Finished benchmarking commit (0da281b): comparison URL. Overall result: ✅ improvements - no action needed@rustbot label: -perf-regression Instruction countThis is a highly reliable metric that was used to determine the overall result at the top of this comment.
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.
CyclesThis benchmark run did not return any relevant results for this metric. Footnotes |
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Successful merges:
resolve_regions_with_wf_tys#103586 (Process registered region obligation inresolve_regions_with_wf_tys).notable-traits .notable#103592 (rustdoc: remove redundant CSS selector.notable-traits .notable)Expr::returns) #103593 (Remove an unused parser function (Expr::returns))Failed merges:
r? @ghost
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