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Use `std::mem::{size_of, size_of_val, align_of, align_of_val}` from the
prelude instead of importing or qualifying them.
These functions were added to all preludes in Rust 1.80.
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In https://github.com/rust-lang/rust/pull/124748, I mistakenly conflated
"not SjLj" to mean "ARM EHABI", which isn't true, watchOS armv7k
(specifically only that architecture) uses a third unwinding method
called "DWARF CFI".
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workingjubilee:deny-unsafe-ops-in-sys-personality-dwarf-eh, r=Amanieu
std: unsafe-wrap personality::dwarf::eh
Moves the forbiddance up a little. This is another largely whitespace diff, except for hoisting some variable declarations to allow enclosing the `unsafe {}` scope fully and make it clearer where the bounds of some temporaries are.
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The previous commit updated `rustfmt.toml` appropriately. This commit is
the outcome of running `x fmt --all` with the new formatting options.
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Many tiny changes to stdlib doc comments to make them consistent (for example
"Returns foo", rather than "Return foo", per RFC1574), adding missing periods, paragraph
breaks, backticks for monospace style, and other minor nits.
https://github.com/rust-lang/rfcs/blob/master/text/1574-more-api-documentation-conventions.md#appendix-a-full-conventions-text
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In so doing, move the forbid up to the top of personality::dwarf
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Co-authored-by: Jonas Böttiger <jonasboettiger@icloud.com>
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The code is written in a way to support 32-bit iOS and tvOS ARM devices,
for future compatibility even though we currently only have a target for
32-bit iOS ARM.
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* Entries in the callsite table now use a dedicated function for reading an offset rather than a pointer
* `read_encoded_pointer` uses that new function for reading offsets when the "application" part of the encoding indicates an offset (relative to some pointer)
* It now errors out on nonsensical "application" and "value encoding" combinations
Inspired by @eddyb's comment on zulip about this:
<https://rust-lang.zulipchat.com/#narrow/stream/136281-t-opsem/topic/strict.20provenance.20in.20dwarf.3A.3Aeh/near/276197290>
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This bring unwind and personality code more in line with strict-provenance
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