bors [Thu, 8 Jun 2017 06:02:04 +0000 (06:02 +0000)]
Auto merge of #42481 - brson:wingnu, r=alexcrichton
Fix setting PATH during linkage on windows-gnu
This makes the behavior almost exactly the same as before the VS2017 patch, except that on MSVC builds the host bin path is no longer added to PATH. I am not sure that's actually necessary on any platform.
Corey Farwell [Thu, 8 Jun 2017 01:58:44 +0000 (21:58 -0400)]
Rollup merge of #42490 - gaurikholkar:master, r=eddyb
Changing error message from `contains interior mutability` to `may contain interior mutability`
Fixes #40313 . I have changed the message from `contains interior mutability` to `may contain interior mutability` for the following example
```
use std::cell::Cell;
use std::panic::catch_unwind;
fn main() {
let mut x = Cell::new(22);
catch_unwind(|| { x.set(23); });
}
```
which has been added as a ui test.
Also, the message [here](https://github.com/gaurikholkar/rust/blob/master/src/librustc_mir/transform/qualify_consts.rs#L666) and it's respective `compile-fail` test have been modified.
bors [Wed, 7 Jun 2017 15:16:46 +0000 (15:16 +0000)]
Auto merge of #42378 - steveklabnik:rustdoc-docs, r=frewsxcv
The Rustdoc book
A work-in-progress start for docs for rustdoc.
This doesn't actually generate the docs yet; I wanted to open this PR to get feedback on this approach, the chapters headings themselves, and to see if anyone wanted to help fill in the ones that aren't done yet.
bors [Wed, 7 Jun 2017 10:09:11 +0000 (10:09 +0000)]
Auto merge of #42482 - eddyb:issue-42467, r=nikomatsakis
rustc: T: 'empty always holds for all types.
Fixes #42467 by special-casing `ReEmpty` to always hold, even for parameters.
The reason this is the case is that `ReEmpty` is the result of inferring a region variable with no constraints attached to it, so there is no lifetime a type would contain which would be strictly shorter.
bors [Wed, 7 Jun 2017 07:52:12 +0000 (07:52 +0000)]
Auto merge of #42480 - eddyb:issue-42463, r=nikomatsakis
rustc_typeck: do not overlap a borrow of TypeckTables with method lookup.
If trait selection is reached, it could potentially request a closure signature, which will have to borrow the `TypeckTables` of the current function, and so those tables *should not* be mutably borrowed.
Nick Whitney [Tue, 6 Jun 2017 05:31:46 +0000 (01:31 -0400)]
Add max and min default fns to Ord trait
Pursuant to issue #25663, this commit adds the max and min functions to the Ord trait, enabling items that implement Ord to use UFCS (ex. 1.max(2)) instead of the longer std::cmp::max(1,2) format.
bors [Wed, 7 Jun 2017 02:11:20 +0000 (02:11 +0000)]
Auto merge of #42133 - cuviper:stdio-from, r=alexcrichton
Add conversions from File and Child* handles to Stdio
`Stdio` now implements `From<ChildStdin>`, `From<ChildStdout>`,
`From<ChildStderr>`, and `From<File>`.
The `Command::stdin`/`stdout`/`stderr` methods now take any type that
implements `Into<Stdio>`.
This makes it much easier to write shell-like command chains, piping to
one another and redirecting to and from files. Otherwise one would need
to use the unsafe and OS-specific `from_raw_fd` or `from_raw_handle`.
Josh Stone [Tue, 6 Jun 2017 22:42:55 +0000 (15:42 -0700)]
Add conversions from File and Child* handles to Stdio
`Stdio` now implements `From<ChildStdin>`, `From<ChildStdout>`,
`From<ChildStderr>`, and `From<File>`.
The `Command::stdin`/`stdout`/`stderr` methods now take any type that
implements `Into<Stdio>`.
This makes it much easier to write shell-like command chains, piping to
one another and redirecting to and from files. Otherwise one would need
to use the unsafe and OS-specific `from_raw_fd` or `from_raw_handle`.
bors [Tue, 6 Jun 2017 08:38:50 +0000 (08:38 +0000)]
Auto merge of #42436 - ollie27:win_spawn_name, r=alexcrichton
Always quote program name in Command::spawn on Windows
[`CreateProcess`](https://msdn.microsoft.com/en-us/library/windows/desktop/ms682425.aspx) will interpret args as part of the binary name if it
doesn't find the binary using just the unquoted name. For example if
`foo.exe` doesn't exist, `Command::new("foo").arg("bar").spawn()` will
try to launch `foo bar.exe` which is clearly not desired.
bors [Tue, 6 Jun 2017 06:18:17 +0000 (06:18 +0000)]
Auto merge of #42394 - ollie27:rustdoc_deref_box, r=QuietMisdreavus
rustdoc: Hide `self: Box<Self>` in list of deref methods
These methods can never be called through deref so there is no point including them. For example you can't call [`into_boxed_bytes`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.into_boxed_bytes) or [`into_string`](https://doc.rust-lang.org/nightly/std/string/struct.String.html#method.into_string) on `String`.
bors [Tue, 6 Jun 2017 02:56:17 +0000 (02:56 +0000)]
Auto merge of #41990 - qnighy:disallow-underscore-suffix-for-string-like-literals, r=nikomatsakis
Disallow underscore suffix for string-like literals.
This patch turns string/bytestring/char/byte literals followed by an underscore, like `"Foo"_`, to an error.
`scan_optional_raw_name` will parse `_` as a valid raw name, but it will be rejected by the parser. I also considered just stopping parsing when the suffix is `_`, but in that case `"Foo"_` will be lexed as two valid tokens.
bors [Mon, 5 Jun 2017 21:42:19 +0000 (21:42 +0000)]
Auto merge of #42452 - raphlinus:mx_job_default, r=alexcrichton
[fuchsia] Track change of mx_job_default
The implementation of mx_job_default changed from a macro which
accessed the __magenta_job_default global variable to a proper
function call. This patch tracks that change.
Raph Levien [Mon, 5 Jun 2017 18:27:31 +0000 (11:27 -0700)]
[fuchsia] Track change of mx_job_default
The implementation of mx_job_default changed from a macro which
accessed the __magenta_job_default global variable to a proper
function call. This patch tracks that change.
Tommy Ip [Mon, 5 Jun 2017 10:14:48 +0000 (11:14 +0100)]
Better closure error message
Use tracked data introduced in #42196 to provide a better closure
error message by showing why a closure implements `FnOnce`.
```
error[E0525]: expected a closure that implements the `Fn` trait, but
this closure only implements `FnOnce`
--> $DIR/issue_26046.rs:4:19
|
4 | let closure = move || {
| ___________________^
5 | | vec
6 | | };
| |_____^
|
note: closure is `FnOnce` because it moves the variable `vec` out of
its environment
--> $DIR/issue_26046.rs:5:9
|
5 | vec
| ^^^
Always quote program name in Command::spawn on Windows
`CreateProcess` will interpret args as part of the binary name if it
doesn't find the binary using just the unquoted name. For example if
`foo.exe` doesn't exist, `Command::new("foo").arg("bar").spawn()` will
try to launch `foo bar.exe` which is clearly not desired.
bors [Sun, 4 Jun 2017 20:16:09 +0000 (20:16 +0000)]
Auto merge of #42362 - estebank:type, r=arielb1
Show trait method signature when impl differs
When the trait's span is available, it is already being used, add a
`note` for the cases where the span isn't available:
<pre>
error[E0053]: <b>method `fmt` has an incompatible type for trait</b>
--> $DIR/trait_type.rs:17:4
|
17 | fn fmt(&self, x: &str) -> () { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
|
= note: expected type `<b>fn(&MyType, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error></b>`
found type `<b>fn(&MyType, &str)</b>`
error[E0050]: <b>method `fmt` has 1 parameter but the declaration in trait `std::fmt::Display::fmt` has 2</b>
--> $DIR/trait_type.rs:21:11
|
21 | fn fmt(&self) -> () { }
| ^^^^^ expected 2 parameters, found 1
|
= note: `fmt` from trait: `<b>fn(&Self, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error></b>`
error[E0186]: <b>method `fmt` has a `&self` declaration in the trait, but not in the impl</b>
--> $DIR/trait_type.rs:25:4
|
25 | fn fmt() -> () { }
| ^^^^^^^^^^^^^^^^^^ expected `&self` in impl
|
= note: `fmt` from trait: `<b>fn(&Self, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error></b>`
error[E0046]: <b>not all trait items implemented, missing: `fmt`</b>
--> $DIR/trait_type.rs:28:1
|
28 | impl std::fmt::Display for MyType4 {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `fmt` in implementation
|
= note: `fmt` from trait: `<b>fn(&Self, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error></b>`
</code></pre>
Esteban Küber [Thu, 1 Jun 2017 06:14:43 +0000 (23:14 -0700)]
Show trait method signature when impl differs
When the trait's span is available, it is already being used, add a
`note` for the cases where the span isn't available:
```
error[E0053]: method `fmt` has an incompatible type for trait
--> $DIR/trait_type.rs:17:4
|
17 | fn fmt(&self, x: &str) -> () { }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ types differ in mutability
|
= note: expected type `fn(&MyType, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error>`
found type `fn(&MyType, &str)`
error[E0050]: method `fmt` has 1 parameter but the declaration in trait `std::fmt::Display::fmt` has 2
--> $DIR/trait_type.rs:21:11
|
21 | fn fmt(&self) -> () { }
| ^^^^^ expected 2 parameters, found 1
|
= note: `fmt` from trait: `fn(&Self, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error>`
error[E0186]: method `fmt` has a `&self` declaration in the trait, but not in the impl
--> $DIR/trait_type.rs:25:4
|
25 | fn fmt() -> () { }
| ^^^^^^^^^^^^^^^^^^ expected `&self` in impl
|
= note: `fmt` from trait: `fn(&Self, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error>`
error[E0046]: not all trait items implemented, missing: `fmt`
--> $DIR/trait_type.rs:28:1
|
28 | impl std::fmt::Display for MyType4 {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `fmt` in implementation
|
= note: `fmt` from trait: `fn(&Self, &mut std::fmt::Formatter<'_>) -> std::result::Result<(), std::fmt::Error>`
```
bors [Sun, 4 Jun 2017 17:51:46 +0000 (17:51 +0000)]
Auto merge of #42402 - citizen428:create-dump-mir-dir, r=Mark-Simulacrum
Create directory for dump-mir-dir automatically
Fixes #35543 r? @Mark-Simulacrum
@Mark-Simulacrum I know someone else said that they'll work on this, but it has been 3+ weeks and I had nothing to do and wanted to contribute a bit.
I now added the call to automatically create the directory as discussed, but was wondering how you feel about the suggestion to set a default directory, i.e. `target/mir`?
bors [Sun, 4 Jun 2017 05:44:39 +0000 (05:44 +0000)]
Auto merge of #42265 - Zoxc:for-sugar, r=eddyb
Change for-loop desugar to not borrow the iterator during the loop
This is enables the use of suspend points inside for-loops in movable generators. This is illegal in the current desugaring as `iter` is borrowed across the body.
bors [Sun, 4 Jun 2017 03:23:39 +0000 (03:23 +0000)]
Auto merge of #41968 - kennytm:fix-unreadable-json-test-output-36516, r=nikomatsakis
Introduce 'run-pass' header to 'ui' tests in compiletest. Fix issue #36516.
<del>`ui-run` test is a combination of `ui` test and `run-pass` test. It is used to test lint output.</del>
Added support of `// run-pass` header to `ui` tests.
The compiler message of each test must match the corresponding `*.stderr` file like the traditional `ui` tests. Additionally, the compiled output must be executed successfully like the `run-pass` test.
12 `run-pass`/`run-pass-fulldeps` tests are moved to `ui`/`ui-fulldeps` plus the headers. After this move, no `run-pass`/`run-pass-fulldeps` tests should rely on the compiler's JSON message. This allows us to stop passing `--error-format json` in run-pass tests, thus fixing #36516.
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