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Rollup of 8 pull requests #78176
Rollup of 8 pull requests #78176
Commits on Oct 8, 2020
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Commits on Oct 12, 2020
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Commits on Oct 13, 2020
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Reword safety guarantee of Pin::static_{ref,mut}.
Co-authored-by: Peter Todd <pete@petertodd.org>
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Commits on Oct 15, 2020
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Co-authored-by: David Tolnay <dtolnay@gmail.com>
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Commits on Oct 16, 2020
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Haiku: explicitly set CMAKE_SYSTEM_NAME when cross-compiling
This resolves issues where the cross-build of LLVM fails because it tries to link to the host's system libraries instead of the target's system libraries.
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Commits on Oct 17, 2020
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Commits on Oct 18, 2020
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Improve wording of "cannot multiply" type error
For example, if you had this code: fn foo(x: i32, y: f32) -> f32 { x * y } You would get this error: error[E0277]: cannot multiply `f32` to `i32` --> src/lib.rs:2:7 | 2 | x * y | ^ no implementation for `i32 * f32` | = help: the trait `Mul<f32>` is not implemented for `i32` However, that's not usually how people describe multiplication. People usually describe multiplication like how the division error words it: error[E0277]: cannot divide `i32` by `f32` --> src/lib.rs:2:7 | 2 | x / y | ^ no implementation for `i32 / f32` | = help: the trait `Div<f32>` is not implemented for `i32` So that's what this change does. It changes this: error[E0277]: cannot multiply `f32` to `i32` --> src/lib.rs:2:7 | 2 | x * y | ^ no implementation for `i32 * f32` | = help: the trait `Mul<f32>` is not implemented for `i32` To this: error[E0277]: cannot multiply `i32` by `f32` --> src/lib.rs:2:7 | 2 | x * y | ^ no implementation for `i32 * f32` | = help: the trait `Mul<f32>` is not implemented for `i32`
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Commits on Oct 19, 2020
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rustdoc: Show the correct source filename, without
.html
Previously the title would be lib.rs.html -- source if `lib.rs` was the actual source filename. Now the title is lib.rs – source (note the en dash).
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remove what seems to be an outdated comment
Even in the PR that introduced this comment, it does not seem like these locals are actually ignored -- just their `source_info` is adjusted: https://github.com/rust-lang/rust/pull/44700/files#diff-ae2f3c7e2f9744f7ef43e96072b10e98d4e3fe74a3a399a3ad8a810fbe56c520R139
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Commits on Oct 20, 2020
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Commits on Oct 21, 2020
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Rollup merge of rust-lang#77726 - fusion-engineering-forks:static-pin…
…, r=dtolnay Add Pin::static_ref, static_mut. This adds `Pin::static_ref` and `Pin::static_mut`, which convert a static reference to a pinned static reference. Static references are effectively already pinned, as what they refer to has to live forever and can never be moved. --- Context: I want to update the `sys` and `sys_common` mutexes/rwlocks/condvars to use `Pin<&self>` in their functions, instead of only warning in the unsafety comments that they may not be moved. That should make them a little bit less dangerous to use. Putting such an object in a `static` (e.g. through `sys_common::StaticMutex`) fulfills the requirements about never moving it, but right now there's no safe way to get a `Pin<&T>` to a `static`. This solves that.
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Rollup merge of rust-lang#77976 - oliviacrain:issue-77915-fix, r=matt…
…hewjasper Mark inout asm! operands as used in liveness pass Variables used in `inout` operands in inline assembly (that is, they're used as both input and output to some arbitrary assembly instruction) are being marked as read and written, but are not marked as being used in the RWU table during the liveness pass. This can result in such expressions triggering an unused variable lint warning. This is incorrect behavior- reads without uses are currently only used for compound assignments. We conservatively assume that an `inout` operand is being read and used in the context of the assembly instruction. Closes rust-lang#77915
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Rollup merge of rust-lang#78009 - nielx:fix/CMAKE_SYSTEM_NAME, r=Mark…
…-Simulacrum Haiku: explicitly set CMAKE_SYSTEM_NAME when cross-compiling This resolves issues where the cross-build of LLVM fails because it tries to link to the host's system libraries instead of the target's system libraries.
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Rollup merge of rust-lang#78056 - ssomers:btree_chop_up_1, r=dtolnay
BTreeMap: split off most code of remove and split_off Putting map.rs on a diet, in addition to rust-lang#77851. r? @dtolnay
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Rollup merge of rust-lang#78063 - camelid:improve-cannot-multiply-err…
…or, r=estebank Improve wording of "cannot multiply" type error For example, if you had this code: fn foo(x: i32, y: f32) -> f32 { x * y } You would get this error: error[E0277]: cannot multiply `f32` to `i32` --> src/lib.rs:2:7 | 2 | x * y | ^ no implementation for `i32 * f32` | = help: the trait `Mul<f32>` is not implemented for `i32` However, that's not usually how people describe multiplication. People usually describe multiplication like how the division error words it: error[E0277]: cannot divide `i32` by `f32` --> src/lib.rs:2:7 | 2 | x / y | ^ no implementation for `i32 / f32` | = help: the trait `Div<f32>` is not implemented for `i32` So that's what this change does. It changes this: error[E0277]: cannot multiply `f32` to `i32` --> src/lib.rs:2:7 | 2 | x * y | ^ no implementation for `i32 * f32` | = help: the trait `Mul<f32>` is not implemented for `i32` To this: error[E0277]: cannot multiply `i32` by `f32` --> src/lib.rs:2:7 | 2 | x * y | ^ no implementation for `i32 * f32` | = help: the trait `Mul<f32>` is not implemented for `i32`
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Rollup merge of rust-lang#78094 - camelid:rustdoc-fix-source-title, r…
…=jyn514 rustdoc: Show the correct source filename in page titles, without `.html` Previously the title would be lib.rs.html -- source if `lib.rs` was the actual source filename. Now the title is lib.rs - source
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Rollup merge of rust-lang#78101 - RalfJung:foreign-static, r=oli-obk
fix static_ptr_ty for foreign statics Cc rust-lang#74840 This does not fix that issue but fixes a problem in `static_ptr_ty` that we noticed while discussing that issue. I also added and updated a few comments. The one about `internal` locals being ignored does not seem to have been true [even in the commit that introduced it](https://github.com/rust-lang/rust/pull/44700/files#diff-ae2f3c7e2f9744f7ef43e96072b10e98d4e3fe74a3a399a3ad8a810fbe56c520R139). r? @oli-obk
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Rollup merge of rust-lang#78118 - spastorino:inline-const-followups, …
…r=petrochenkov Inline const followups r? @petrochenkov Follow ups of rust-lang#77124
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