Rollup of 9 pull requests #89927
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Rollup of 9 pull requests #89927
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…r of CPUs Use libc::sched_getaffinity and count the number of CPUs in the returned mask. This handles cases where the process doesn't have access to all CPUs, such as when limited via taskset or similar.
As per the libs team decision in rust-lang#58935. Closes rust-lang#58935
In `splice_lines`, there is some arithmetic to compute the required alignment such that future substitutions in a suggestion are aligned correctly. However, this assumed that the current substitution's span was only on a single line. In circumstances where this was not true, it could result in a arithmetic overflow when the substitution's end column was less than the substitution's start column. Signed-off-by: David Wood <david.wood@huawei.com>
…affinity, r=m-ou-se Make `std::thread::available_concurrency` support process-limited number of CPUs Use `libc::sched_getaffinity` and count the number of CPUs in the returned mask. This handles cases where the process doesn't have access to all CPUs, such as when limited via `taskset` or similar. This also covers cgroup cpusets.
…_unchecked, r=oli-obk Stabilize `unreachable_unchecked` as `const fn` Closes rust-lang#53188 This PR stabilizes `core::hint::unreachable_unchecked` as `const fn`. MIRI is able to detect when this method is called. Stabilization was delayed until `const_panic` was stabilized so as to avoid users calling this method in its place (thus resulting in runtime UB). With rust-lang#89508, that is no longer an issue. `@rustbot` label +A-const-eval +A-const-fn +T-lang +S-blocked (not sure why it's T-lang, but that's what the tracking issue is)
…htriplett Remove alloc::prelude As per the libs team decision in rust-lang#58935. Closes rust-lang#58935
…ustdoc-json-types, r=CraftSpider Moved format-version constant to rustdoc-json-types Addresses rust-lang#88620 Moved format-version constant from rustdoc to rustdoc-json-types.
…ultiple-lines, r=oli-obk emitter: current substitution can be multi-line Fixes rust-lang#89280. In `splice_lines`, there is some arithmetic to compute the required alignment such that future substitutions in a suggestion are aligned correctly. However, this assumed that the current substitution's span was only on a single line. In circumstances where this was not true, it could result in a arithmetic overflow when the substitution's end column was less than the substitution's start column. r? `@oli-obk`
…=estebank Emit impl difference error for GenericBoundFailure too Fixes rust-lang#86787 r? `@estebank`
…tsakis Some outlives cleanup No semantic changes here, only moving code around + using `LocalDefId` instead of `HirId` r? `@nikomatsakis`
Add some GATs related regression tests Closes rust-lang#88287, closes rust-lang#88405
… r=m-ou-se updating docs to mention usage of AtomicBool Mouse mentioned we should point out that atomic bool is used by the std lib these days. ( m-ou-se/getrandom#1 )
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Successful merges:
std::thread::available_concurrencysupport process-limited number of CPUs #89310 (Makestd::thread::available_concurrencysupport process-limited number of CPUs)unreachable_uncheckedasconst fn#89509 (Stabilizeunreachable_uncheckedasconst fn)Failed merges:
r? @ghost
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