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Normalize inlined function in MIR inliner
Fixes #45885
r? @arielb1
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MIR-borrowck: add permisson checks to `fn access_lvalue`
WIP : Some FIXME left and some broken tests.
Fix #44837
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Distribute Rustfmt
r? @alexcrichton
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check::method - unify receivers before normalizing method signatures
Normalizing method signatures can unify inference variables, which can
cause receiver unification to fail. Unify the receivers first to avoid
that.
Fixes #36701.
Fixes #45801.
Fixes #45855.
r? @eddyb
beta-nominating because #43880 made this ICE happen in more cases (the code in that issue ICEs post-#43880 only, but the unit test here ICEs on all versions).
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Update LLVM to fix miscompiles with -Copt-level=z on Windows
Fixes #45034
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Disable LLVM assertions on Nightly, enable them in "alt" builds.
Per IRC discussion https://mozilla.logbot.info/rust-infra/20171106#c13812170-c13812204
Background: https://internals.rust-lang.org/t/disabling-llvm-assertions-in-nightly-builds/5388/14
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Rollup of 9 pull requests
- Successful merges: #45828, #45892, #45893, #45914, #45917, #45927, #45933, #45952, #45954
- Failed merges:
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Fix style in interner test
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deduplicate projection error (E0271) messages
The `ErrorId` variant takes a u16 so that `DiagnosticMessageId` can retain
its `Copy` status (the present author's first choice having been the "EXXX"
code as a string).
The duplicated "type mismatch resolving `{}`" literal is unfortunate, but
the `struct_span_err!` macro (which we want to mark that error code as
used) is fussy about taking a literal, and the one-time-diagnostics set
needs an owned string.
This is concerning #33941 and probably #45805!
r? @estebank
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Refactor Option::filter method
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MIR-borrowck: fix diagnostics for closures
Emit notes for captured variables in the same manner as AST borrowck.
```
error[E0499]: cannot borrow `x` as mutable more than once at a time (Ast)
--> $DIR/borrowck-closures-two-mut.rs:24:24
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23 | let c1 = to_fn_mut(|| x = 4);
| -- - previous borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
24 | let c2 = to_fn_mut(|| x = 5); //~ ERROR cannot borrow `x` as mutable more than once
| ^^ - borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
25 | }
| - first borrow ends here
error[E0499]: cannot borrow `x` as mutable more than once at a time (Mir)
--> $DIR/borrowck-closures-two-mut.rs:24:24
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23 | let c1 = to_fn_mut(|| x = 4);
| -- - previous borrow occurs due to use of `x` in closure
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| first mutable borrow occurs here
24 | let c2 = to_fn_mut(|| x = 5); //~ ERROR cannot borrow `x` as mutable more than once
| ^^ - borrow occurs due to use of `x` in closure
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| second mutable borrow occurs here
25 | }
| - first borrow ends here
```
Fixes #45362.
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compiletest: Fix a couple of test re-run issues
* Re-run rustdoc tests if rustdoc or htmldocck.py was updated.
* Put stamp files in the correct subdirectories to avoid clashes when
the file names match but the subdirectory doesn't.
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r=alexcrichton
Fix test case header parsing code in presence of multiple revisions.
The previous code would parse the TestProps, and then parse them again with a revision set, adding some elements (like aux_builds) a second time to the existing TestProps.
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Redox: Use futex timeout to implement CondVar::wait_timeout
`CondVar::wait_timeout` is implemented by supplying a `TimeSpec` pointer to `futex`. In addition, all calls to `unimplemented!()` have been removed from the Redox `sys` module.
Related to https://github.com/rust-lang/rust/pull/45892
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Redox: Return true from Path::is_absolute if a Path contains root or a scheme
In Redox, different subsystems have different filesystem paths. However, the majority of applications using the `Path::is_absolute` function really only want to know if a path is absolute from the perspective of the scheme it is currently running in, usually `file:`. This makes both `file:/` and `/` return `true` from `Path::is_absolute`, meaning that most code does not have to check if it is running on Redox.
Code that wants to know if a path contains a scheme can implement such a check on its own.
Related to https://github.com/rust-lang/rust/pull/45893
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Remove deprecated message
Follow up of #43067
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r=QuietMisdreavus
Search over generic types in docs
This is what I was talking about @QuietMisdreavus. Now we have generics.
Waiting for #45617 to get merged.
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The `ErrorId` variant takes a u16 so that `DiagnosticMessageId` can retain
its `Copy` status (the present author's first choice having been the "EXXX"
code as a string).
The duplicated "type mismatch resolving `{}`" literal is unfortunate, but
the `struct_span_err!` macro (which we want to mark that error code as
used) is fussy about taking a literal, and the one-time-diagnostics set
needs an owned string.
This is concerning #33941 and probably #45805!
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Bump cargo to master
Includes a few bugfixes, and updates the Cargo book.
Critically includes https://github.com/rust-lang/cargo/pull/4716. This
unblocks (in theory) crater runs.
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Add ci for DragonFly
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Includes a few bugfixes, and updates the Cargo book.
Critically includes https://github.com/rust-lang/cargo/pull/4716. This
unblocks (in theory) crater runs.
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Improve SubSupConflict with a named and an anonymous lifetime parameter #42701
Hello!
This fixes #42701.
## UPDATE 01
Tests are producing different results between different env builds.
This inconsistency might take a long time to investigate and fix. So, be patient
## UPDATE 02
Changed an `FxHashMap` with a `BTreeMap`. Inconsistency seems to be resolved for now.
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rustbuild: Disable ThinLTO for libtest
Right now ThinLTO is generating bad dwarf which is tracked by #45511, but this
is causing issues on OSX (#45768) where `dsymutil` is segfaulting and failing to
produce output.
Closes #45768
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#42701
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Fix MIR CopyPropagation errneously propagating assignments to function args
Compiling this code with MIR CopyPropagation activated will result in printing `5`,
because CopyProp errneously propagates the assignment of `5` to all `x`:
```rust
fn bar(mut x: u8) {
println!("{}", x);
x = 5;
}
fn main() {
bar(123);
}
```
If a local is propagated, it will result in an ICE at trans due to an use-before-def:
```rust
fn dummy(x: u8) -> u8 { x }
fn foo(mut x: u8) {
x = dummy(x); // this will assign a local to `x`
}
```
Currently CopyProp conservatively gives up if there are multiple assignments to a local,
but it is not took into account that arguments are already assigned from the beginning.
This PR fixes the problem by preventing propagation of assignments to function arguments.
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Fixes #45034
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