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0.1.142 fixes an issue parsing optimization flags, and 0.1.143 changes
`__rust_[ui]128_*` builtins to use a C-safe signature.
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0.1.141 syncs changes from `libm`. Most of the `libm` changes are
testing- or configuration-related.
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Nothing significant here, just syncing the following small changes:
- https://github.com/rust-lang/compiler-builtins/pull/727
- https://github.com/rust-lang/compiler-builtins/pull/730
- https://github.com/rust-lang/compiler-builtins/pull/736
- https://github.com/rust-lang/compiler-builtins/pull/737
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This updates to a new version of builtins that includes [1], which was
the last blocker to us enabling `f128` tests on all platforms 🎉.
With this update, also change to pinning the version with `=` rather
than using the default carat versioning. This is meant to ensure that
`compiler-builtins` does not get updated as part of the weekly
`Cargo.lock` update, since updates to this crate need to be intentional:
changes to rust-lang/rust and rust-lang/compiler-builtins sometimes need
to be kept in lockstep, unlike most dependencies, and sometimes these
updates can be problematic.
[1]: https://github.com/rust-lang/compiler-builtins/pull/624
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This includes:
* The license change
https://github.com/rust-lang/compiler-builtins/pull/717
* The `libm` submodule update, which also has a license change
https://github.com/rust-lang/libm/pull/317
* Re-enabling `math` on i686 UEFI
https://github.com/rust-lang/compiler-builtins/pull/715
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This includes [1], which should help resolve an infinite recusion issue
on WASM and SPARC (possibly other platforms). See [2] and [3] for
further details.
[1]: https://github.com/rust-lang/compiler-builtins/pull/708
[2]: https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/sparc-unknown-none-elf.20regresssion.20between.20compiler-built.2E.2E.2E
[3]: https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/.5Bwasm32.5D.20Infinite.20recursion.20.60compiler-builtins.60.20.60__multi3.60
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This commit updates compiler-builtins from 0.1.130 to 0.1.132.
PRs in the delta:
- rust-lang/compiler-builtins#698
- rust-lang/compiler-builtins#699
- rust-lang/compiler-builtins#701
- rust-lang/compiler-builtins#704
- rust-lang/compiler-builtins#627
- rust-lang/compiler-builtins#706
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This includes the following which add `__divtf3` and `__powtf2`, and do
some feature cleanup:
- https://github.com/rust-lang/compiler-builtins/pull/622
- https://github.com/rust-lang/compiler-builtins/pull/692
- https://github.com/rust-lang/compiler-builtins/pull/614
- https://github.com/rust-lang/compiler-builtins/pull/694
The `cc` bump [1] was previously included but was reverted due to
problems updating.
[1]: https://github.com/rust-lang/compiler-builtins/pull/690
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This commit updates the compiler-builtins crate from 0.1.123 to 0.1.125.
The changes in this update are:
* https://github.com/rust-lang/compiler-builtins/pull/682
* https://github.com/rust-lang/compiler-builtins/pull/678
* https://github.com/rust-lang/compiler-builtins/pull/685
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struct sizes
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Signed-off-by: Amjad Alsharafi <26300843+Amjad50@users.noreply.github.com>
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Signed-off-by: Amjad Alsharafi <26300843+Amjad50@users.noreply.github.com>
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This includes [1] which means we can remove the (nonworking)
configuration of `no-f16-f128`.
Fixes https://github.com/rust-lang/rust/issues/128401.
[1]: https://github.com/rust-lang/compiler-builtins/pull/652
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Update compiler_builtins to 0.1.114
The `weak-intrinsics` feature was removed from compiler_builtins in https://github.com/rust-lang/compiler-builtins/pull/598, so dropped the `compiler-builtins-weak-intrinsics` feature from alloc/std/sysroot.
In https://github.com/rust-lang/compiler-builtins/pull/593, some builtins for f16/f128 were added. These don't work for all compiler backends, so add a `compiler-builtins-no-f16-f128` feature and disable it for cranelift and gcc.
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The `weak-intrinsics` feature was removed from compiler_builtins in
https://github.com/rust-lang/compiler-builtins/pull/598, so dropped the
`compiler-builtins-weak-intrinsics` feature from alloc/std/sysroot.
In https://github.com/rust-lang/compiler-builtins/pull/593, some
builtins for f16/f128 were added. These don't work for all compiler
backends, so add a `compiler-builtins-no-f16-f128` feature and disable
it for cranelift and gcc. Also disable it for LLVM targets that don't
support it.
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Fix `VecDeque::shrink_to` UB when `handle_alloc_error` unwinds.
Fixes #123369
For `VecDeque` it's relatively simple to restore the buffer into a consistent state so this PR does just that.
Note that with its current implementation, `shrink_to` may change the internal arrangement of elements in the buffer, so e.g. `[D, <uninit>, A, B, C]` will become `[<uninit>, A, B, C, D]` and `[<uninit>, <uninit>, A, B, C]` may become `[B, C, <uninit>, <uninit>, A]` if `shrink_to` unwinds. This shouldn't be an issue though as we don't make any guarantees about the stability of the internal buffer arrangement (and this case is impossible to hit on stable anyways).
This PR also includes a test with code adapted from #123369 which fails without the new `shrink_to` code. Does this suffice or do we maybe need more exhaustive tests like in #108475?
cc `@Amanieu`
`@rustbot` label +T-libs
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This way, no other test can be tripped up by `test_shrink_to_unwind` changing the alloc error hook.
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This was added in rust-lang/compiler-builtins#526 to force all
compiler-builtins intrinsics to use weak linkage.
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This reverts commit c9a6e41026d7aa27d897fb83e995447719753076.
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Since RFC 3052 soft deprecated the authors field anyway, hiding it from
crates.io, docs.rs, and making Cargo not add it by default, and it is
not generally up to date/useful information, we should remove it from
crates in this repo.
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On x86, the default syntax is also switched to Intel to match asm!
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