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Future-proof the Futures API
cc https://github.com/rust-lang/rust/issues/59113, @carllerche, @rust-lang/libs
r? @withoutboats
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This reverts commit 3eb4890dfe6db0279fdd3cda19f9643873ae3db9, reversing
changes made to 7a4df3b53da369110984a2b57419c05a53e33b38.
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More restrictive 2 phase borrows - take 2
Signal lint diagnostic `mutable_borrow_reservation_conflict` when borrow-check finds a 2-phase borrow's reservation overlapping with a shared borrow.
(pnkfelix updated description)
cc #56254 , #59159
blocks PR #59114
r? @pnkfelix
cc @RalfJung @nikomatsakis
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Update miri
r? @RalfJung
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Update books
## nomicon
1 commits in f1ff93b66844493a7b03101c7df66ac958c62418..c02e0e7754a76886e55b976a3a4fac20100cd35d
2019-02-26 13:37:28 -0500 to 2019-03-25 16:52:56 -0400
- dropck: The drop order is now defined (rust-lang-nursery/nomicon#113)
## reference
3 commits in 27ad493a10364e907ec476e2ad61e8a1614b57e1..98f90ff4de8e588f651f0fb493b5c7496551cd59
2019-03-26 02:06:15 +0100 to 2019-04-06 09:29:08 -0700
- Document repr packed(N). (rust-lang-nursery/reference#553)
- Fix broken link in glossary. (rust-lang-nursery/reference#558)
- Typo fixes (rust-lang-nursery/reference#556)
## embedded-book
2 commits in 07fd3880ea0874d82b1d9ed30ad3427ec98b4e8a..7989c723607ef5b13b57208022259e6c771e11d0
2019-03-27 15:40:52 +0000 to 2019-04-04 12:14:37 +0000
- fix rust-embedded/book#182 (rust-embedded/book#183)
- Add openocd to list of installable packages (rust-embedded/book#179)
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Tiny docs fix
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Use for_each to extend collections
This updates the `Extend` implementations to use `for_each` for many
collections: `BinaryHeap`, `BTreeMap`, `BTreeSet`, `LinkedList`, `Path`,
`TokenStream`, `VecDeque`, and `Wtf8Buf`.
Folding with `for_each` enables better performance than a `for`-loop for
some iterators, especially if they can just forward to internal
iterators, like `Chain` and `FlatMap` do.
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Move match_path from DefId to lint::LateContext
cc https://github.com/rust-lang/rust/pull/59316#discussion_r272351353
r? @eddyb
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rustc: Start implementing compat with LLVM 9
This commit doesn't actually migrate to LLVM 9, but it brings our own
C++ bindings in line with LLVM 9 and able to compile against tip of
tree. The changes made were:
* The `MainSubprogram` flag for debuginfo moved between flag types.
* Iteration of archive members was tweaked slightly and we have to
construct the two iterators before constructing the returned
`RustArchiveIterator` value.
* The `getOrInsertFunction` binding now returns a wrapper which we use
`getCallee()` on to get the value we're interested in.
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Change `copytest` parameter name from `y` to `sign`
This should help clarify ambiguity with whether `a.copysign(b)` applies the sign of `a` to `b` or `b` to `a`.
r? @Centril
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Show better errors for LLVM IR output
I was trying to output LLVM IR directly to the console:
$ rustc hello.rs --emit=llvm-ir -o /dev/stdout
LLVM ERROR: IO failure on output stream: Bad file descriptor
Now `LLVMRustPrintModule` returns an error, and we print:
error: failed to write LLVM IR to /dev/stdout.hello.7rcbfp3g-cgu.0.rcgu.ll: Permission denied
... which is more informative.
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Remove no_force from coherent_trait
r? @michaelwoerister
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I was trying to output LLVM IR directly to the console:
$ rustc hello.rs --emit=llvm-ir -o /dev/stdout
LLVM ERROR: IO failure on output stream: Bad file descriptor
Now `LLVMRustPrintModule` returns an error, and we print:
error: failed to write LLVM IR to /dev/stdout.hello.7rcbfp3g-cgu.0.rcgu.ll: Permission denied
... which is more informative.
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wasi: Use shared API for preopened fds
This commit updates the wasi target with supported added in
CraneStation/wasi-sysroot#10. That function allows both C and Rust to
cooperate in how preopened files are managed, enabling us to learn about
propened files through the same interface. The `open_parent` function in
the wasi `fs` module was updated to avoid its own initialization of a
global preopened map and instead delegate to libc to perform this
functionality.
This should both be more robust into the future in terms of handling
path logic as well as ensuring the propened map is correctly set up at
process boot time. This does currently require some unfortunate
allocations on our side, but if that becomes an issue we can always
paper over those in time!
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Add missing tryfrom example
r? @rust-lang/docs
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Remove invalid assertion back::link::from add_upstream_rust_crates().
This removes a misplaced assertion. The function containing the assertion is actually only ever called for upstream crates that are not considered for LTO, so we don't care whether upstream code has been merged in by LTO or not.
Fixes #59137
r? @alexcrichton
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SGX target: Use linker option to avoid code CGU assignment kludge
cc @VardhanThigle @faern
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Fix invalid bounds string generation in rustdoc
Fixes #58737.
Very weird and I'm not sure this is the best fix around. However, trying to fix it beforehand seems overly complicated compared to the gain (in `clean`, it wouldn't change anything since we **have to** return something so that wouldn't work, and in `hir`, I'm afraid I'd break something else for very little gain).
Also, I wasn't able to make a small code to reproduce the issue. The only way to test is to document `crossbeam` directly and check the `Scope` struct...
r? @QuietMisdreavus
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This updates the `Extend` implementations to use `for_each` for many
collections: `BinaryHeap`, `BTreeMap`, `BTreeSet`, `LinkedList`, `Path`,
`TokenStream`, `VecDeque`, and `Wtf8Buf`.
Folding with `for_each` enables better performance than a `for`-loop for
some iterators, especially if they can just forward to internal
iterators, like `Chain` and `FlatMap` do.
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It is now exactly equivalent to lookup_char_pos.
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Unsized rvalues: implement boxed closure impls. (2nd try)
This is a rebase of S-blocked-closed PR #55431 to current master. LLVM has moved forward since then, so maybe we can check whether the new LLVM 8.0 version unblocked this work.
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This commit updates the wasi target with supported added in
CraneStation/wasi-sysroot#10. That function allows both C and Rust to
cooperate in how preopened files are managed, enabling us to learn about
propened files through the same interface. The `open_parent` function in
the wasi `fs` module was updated to avoid its own initialization of a
global preopened map and instead delegate to libc to perform this
functionality.
This should both be more robust into the future in terms of handling
path logic as well as ensuring the propened map is correctly set up at
process boot time. This does currently require some unfortunate
allocations on our side, but if that becomes an issue we can always
paper over those in time!
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This commit doesn't actually migrate to LLVM 9, but it brings our own
C++ bindings in line with LLVM 9 and able to compile against tip of
tree. The changes made were:
* The `MainSubprogram` flag for debuginfo moved between flag types.
* Iteration of archive members was tweaked slightly and we have to
construct the two iterators before constructing the returned
`RustArchiveIterator` value.
* The `getOrInsertFunction` binding now returns a wrapper which we use
`getCallee()` on to get the value we're interested in.
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Include trailing comma in multiline Debug representation
This PR changes the behavior of [`Formatter::debug_struct`](https://doc.rust-lang.org/std/fmt/struct.Formatter.html#method.debug_struct), [`debug_tuple`](https://doc.rust-lang.org/std/fmt/struct.Formatter.html#method.debug_tuple), [`debug_list`](https://doc.rust-lang.org/std/fmt/struct.Formatter.html#method.debug_list), [`debug_set`](https://doc.rust-lang.org/std/fmt/struct.Formatter.html#method.debug_set), and [`debug_map`](https://doc.rust-lang.org/std/fmt/struct.Formatter.html#method.debug_map) to render trailing commas in `{:#?}` mode, which is the dominant style in modern Rust code.
#### Before:
```console
Language {
name: "Rust",
trailing_commas: false
}
```
#### After:
```console
Language {
name: "Rust",
trailing_commas: true,
}
```
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This commit changes the behavior of Formatter::debug_struct,
debug_tuple, debug_list, debug_set, and debug_map to render trailing
commas in {:#?} mode, which is the dominant style in modern Rust code.
Before:
Language {
name: "Rust",
trailing_commas: false
}
After:
Language {
name: "Rust",
trailing_commas: true,
}
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Rollup of 5 pull requests
Successful merges:
- #59665 (improve worst-case performance of HashSet.is_subset)
- #59687 (cleanup shebang handling in the lexer)
- #59690 (Mark unix::ffi::OsStrExt methods as inline)
- #59702 (Use declare_lint_pass! and impl_lint_pass! in more places)
- #59712 (wasm32: Default to a "static" relocation model)
Failed merges:
r? @ghost
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wasm32: Default to a "static" relocation model
LLVM 9 is adding support for a "pic" relocation model for wasm code,
which is quite different than the current model. In order to preserve
the mode of compilation that we have today default to "static" to ensure
that we don't accidentally start creating experimental relocatable
binaries.
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Use declare_lint_pass! and impl_lint_pass! in more places
Fixes #59683
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Mark unix::ffi::OsStrExt methods as inline
This is a small change, but I found it surprising it's not inlined looking at the assembly.
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cleanup shebang handling in the lexer
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improve worst-case performance of HashSet.is_subset
One more simple optimization opportunity for HashSet that was applied in BTreeSet in #59186 (and wasn't in #57043). Already covered by the existing unit test.
r? @KodrAus
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