]> git.lizzy.rs Git - rust.git/log
rust.git
4 years agoRollup merge of #73267 - ehuss:cargotest-this-cargo, r=Mark-Simulacrum
Dylan DPC [Sat, 13 Jun 2020 14:47:51 +0000 (16:47 +0200)]
Rollup merge of #73267 - ehuss:cargotest-this-cargo, r=Mark-Simulacrum

Use the built cargo for cargotest.

cargotest was using the beta (bootstrap) cargo. This changes it so that it will use the locally built cargo. This is intended to provide a sort of smoke test to ensure Cargo is functional. This *shouldn't* have any real impact on the CI build time.  The cargotest job also happens to run cargo's testsuite, so it should already be building cargo.

Note: This will fail until #73266 is merged.

4 years agoRollup merge of #73241 - mati865:mingw-libs-order-comment, r=petrochenkov
Dylan DPC [Sat, 13 Jun 2020 14:47:49 +0000 (16:47 +0200)]
Rollup merge of #73241 - mati865:mingw-libs-order-comment, r=petrochenkov

Add/update comments about MinGW late_link_args

4 years agoRollup merge of #73194 - lzutao:INT-patterns, r=dtolnay
Dylan DPC [Sat, 13 Jun 2020 14:47:47 +0000 (16:47 +0200)]
Rollup merge of #73194 - lzutao:INT-patterns, r=dtolnay

Prefer the associated constants for pattern matching error

Resolved this comment: https://github.com/rust-lang/rust/issues/68490#issuecomment-641614383

4 years agoRollup merge of #73066 - ecstatic-morse:query-structural-eq2, r=pnkfelix
Dylan DPC [Sat, 13 Jun 2020 14:47:45 +0000 (16:47 +0200)]
Rollup merge of #73066 - ecstatic-morse:query-structural-eq2, r=pnkfelix

Querify whether a type has structural equality (Take 2)

Alternative to #72177.

Unlike in #72177, this helper method works for all types, falling back to a query for `TyKind::Adt`s that determines whether the `{Partial,}StructuralEq` traits are implemented.

This is my preferred interface for this method. I think this is better than just documenting that the helper only works for ADTs. If others disagree, we can just merge #72177 with the fixes applied. This has already taken far too long.

4 years agoRollup merge of #72932 - poliorcetics:pattern-contains-behaviour, r=hanna-kruppe
Dylan DPC [Sat, 13 Jun 2020 14:47:40 +0000 (16:47 +0200)]
Rollup merge of #72932 - poliorcetics:pattern-contains-behaviour, r=hanna-kruppe

Clarify the behaviour of Pattern when used with methods like str::contains

Fixes #45507.

I used the previous work by @Emerentius (thanks !), added a paragraph and checked the links (they work for me but I'm not against someone else checking them too).

4 years agoDon't run test on emscripten which doesn't have threads
Amanieu d'Antras [Sat, 13 Jun 2020 12:24:19 +0000 (13:24 +0100)]
Don't run test on emscripten which doesn't have threads

4 years agoAdd/update comments about MinGW late_link_args
Mateusz Mikuła [Thu, 11 Jun 2020 15:22:30 +0000 (17:22 +0200)]
Add/update comments about MinGW late_link_args

4 years agorun const_eval_raw with root_span
Ralf Jung [Sat, 13 Jun 2020 11:55:01 +0000 (13:55 +0200)]
run const_eval_raw with root_span

4 years agoavoid computing precise span for const_eval query
Ralf Jung [Sat, 13 Jun 2020 11:47:37 +0000 (13:47 +0200)]
avoid computing precise span for const_eval query

4 years agopretty/asm.rs should only be tested for x86_64 and not AArch64
Yerkebulan Tulibergenov [Sat, 13 Jun 2020 07:41:39 +0000 (00:41 -0700)]
pretty/asm.rs should only be tested for x86_64 and not AArch64

4 years agoRevert heterogeneous SocketAddr PartialEq impls
David Tolnay [Sat, 13 Jun 2020 05:12:45 +0000 (22:12 -0700)]
Revert heterogeneous SocketAddr PartialEq impls

These lead to inference regressions (mostly in tests) in code that looks
like:

    let socket = std::net::SocketAddrV4::new(std::net::Ipv4Addr::new(127, 0, 0, 1), 8080);
    assert_eq!(socket, "127.0.0.1:8080".parse().unwrap());

That compiles as of stable 1.44.0 but fails in beta with:

    error[E0284]: type annotations needed
     --> src/main.rs:3:41
      |
    3 |     assert_eq!(socket, "127.0.0.1:8080".parse().unwrap());
      |                                         ^^^^^ cannot infer type for type parameter `F` declared on the associated function `parse`
      |
      = note: cannot satisfy `<_ as std::str::FromStr>::Err == _`
    help: consider specifying the type argument in the method call
      |
    3 |     assert_eq!(socket, "127.0.0.1:8080".parse::<F>().unwrap());
      |

4 years agoAdjusted some doctests in libcore to use `should_panic`.
Jake Degen [Sat, 13 Jun 2020 04:06:09 +0000 (00:06 -0400)]
Adjusted some doctests in libcore to use `should_panic`.

Previously, some doctests were spawning new threads and joining them to
indicate that a particular call should panic; this hurt readability, so
the tests have been adjusted to simply call the method and use the
`should_panic` marker.

4 years agoStabilize Option::zip
Lzu Tao [Sat, 13 Jun 2020 01:27:14 +0000 (01:27 +0000)]
Stabilize Option::zip

4 years agoPrefer the associated consts for pattern matching error
Lzu Tao [Thu, 11 Jun 2020 03:03:59 +0000 (03:03 +0000)]
Prefer the associated consts for pattern matching error

4 years agoAuto merge of #73277 - RalfJung:miri-caller-location, r=oli-obk
bors [Sat, 13 Jun 2020 00:55:34 +0000 (00:55 +0000)]
Auto merge of #73277 - RalfJung:miri-caller-location, r=oli-obk

fix caller_location intrinsic for Miri

Fixes https://github.com/rust-lang/rust/issues/73272

r? @oli-obk Cc @Aaron1011

4 years agoRemove vestigial CI job msvc-aux.
Eric Huss [Fri, 12 Jun 2020 21:17:42 +0000 (14:17 -0700)]
Remove vestigial CI job msvc-aux.

4 years agoAuto merge of #73262 - wesleywiser:simplifyarmidentity_beta_regression, r=oli-obk
bors [Fri, 12 Jun 2020 19:38:15 +0000 (19:38 +0000)]
Auto merge of #73262 - wesleywiser:simplifyarmidentity_beta_regression, r=oli-obk

Disable the `SimplifyArmIdentity` pass

This pass is buggy so I'm disabling it to fix a stable-to-beta
regression.

Related to #73223

4 years agoFix links when pinging notification groups
LeSeulArtichaut [Fri, 12 Jun 2020 18:33:18 +0000 (20:33 +0200)]
Fix links when pinging notification groups

4 years agoMake `type_marked_structural` private
Dylan MacKenzie [Fri, 12 Jun 2020 15:47:26 +0000 (08:47 -0700)]
Make `type_marked_structural` private

4 years agoUse "reflexive equality" in docs
Dylan MacKenzie [Fri, 12 Jun 2020 15:47:13 +0000 (08:47 -0700)]
Use "reflexive equality" in docs

4 years agoHelper method for whether type has structural equality
Dylan MacKenzie [Wed, 13 May 2020 20:40:22 +0000 (13:40 -0700)]
Helper method for whether type has structural equality

This helper method works for all types, falling back to a query for
`TyKind::Adt`s to determine whether the implement the
`{Partial,}StructuralEq` traits.

4 years agoAuto merge of #73276 - Dylan-DPC:rollup-hfd81qw, r=Dylan-DPC
bors [Fri, 12 Jun 2020 13:10:57 +0000 (13:10 +0000)]
Auto merge of #73276 - Dylan-DPC:rollup-hfd81qw, r=Dylan-DPC

Rollup of 5 pull requests

Successful merges:

 - #72906 (Migrate to numeric associated consts)
 - #73178 (expand: More precise locations for expansion-time lints)
 - #73225 (Allow inference regions when relating consts)
 - #73236 (Clean up E0666 explanation)
 - #73273 (Fix Zulip pings)

Failed merges:

r? @ghost

4 years agoDisable the `SimplifyArmIdentity` pass on beta
Wesley Wiser [Fri, 12 Jun 2020 00:46:55 +0000 (20:46 -0400)]
Disable the `SimplifyArmIdentity` pass on beta

This pass is buggy so I'm disabling it to fix a stable-to-beta
regression.

Related to #73223

4 years agofix caller_location intrinsic for Miri
Ralf Jung [Fri, 12 Jun 2020 10:35:37 +0000 (12:35 +0200)]
fix caller_location intrinsic for Miri

4 years agoRollup merge of #73273 - LeSeulArtichaut:patch-1, r=Dylan-DPC
Dylan DPC [Fri, 12 Jun 2020 10:28:31 +0000 (12:28 +0200)]
Rollup merge of #73273 - LeSeulArtichaut:patch-1, r=Dylan-DPC

Fix Zulip pings

r? @Dylan-DPC

4 years agoRollup merge of #73236 - GuillaumeGomez:cleanup-e0666, r=Dylan-DPC
Dylan DPC [Fri, 12 Jun 2020 10:28:29 +0000 (12:28 +0200)]
Rollup merge of #73236 - GuillaumeGomez:cleanup-e0666, r=Dylan-DPC

Clean up E0666 explanation

r? @Dylan-DPC

4 years agoRollup merge of #73225 - tmandry:issue-73050, r=oli-obk
Dylan DPC [Fri, 12 Jun 2020 10:28:27 +0000 (12:28 +0200)]
Rollup merge of #73225 - tmandry:issue-73050, r=oli-obk

Allow inference regions when relating consts

As first noticed by @eddyb, `super_relate_consts` doesn't need to check for inference vars since `eval` does it already (and handles lifetimes correctly by erasing them).

Fixes #73050

r? @oli-obk

4 years agoRollup merge of #73178 - petrochenkov:explint, r=varkor
Dylan DPC [Fri, 12 Jun 2020 10:28:25 +0000 (12:28 +0200)]
Rollup merge of #73178 - petrochenkov:explint, r=varkor

expand: More precise locations for expansion-time lints

First commit: a macro expansion doesn't have a `NodeId` associated with it, but it has a parent `DefId` which we can use for linting.
The observable effect is that lints associated with macro expansions can now be `allow`ed at finer-grained level than whole crate.

Second commit: each macro definition has a `NodeId` which we can use for linting, unless that macro definition was decoded from other crate.

4 years agoRollup merge of #72906 - lzutao:migrate-numeric-assoc-consts, r=dtolnay
Dylan DPC [Fri, 12 Jun 2020 10:28:23 +0000 (12:28 +0200)]
Rollup merge of #72906 - lzutao:migrate-numeric-assoc-consts, r=dtolnay

Migrate to numeric associated consts

The deprecation PR is #72885

cc #68490
cc rust-lang/rfcs#2700

4 years agoFix Zulip pings
LeSeulArtichaut [Fri, 12 Jun 2020 08:40:41 +0000 (10:40 +0200)]
Fix Zulip pings

4 years agoavoid computing cur_span all the time
Ralf Jung [Thu, 11 Jun 2020 07:53:38 +0000 (09:53 +0200)]
avoid computing cur_span all the time

4 years agofix const_prop spans and re-bless tests
Ralf Jung [Mon, 1 Jun 2020 09:17:38 +0000 (11:17 +0200)]
fix const_prop spans and re-bless tests

4 years agomake miri InterpCx TyCtxtAt a TyCtxt, and separately remember the root span of the...
Ralf Jung [Mon, 1 Jun 2020 08:15:17 +0000 (10:15 +0200)]
make miri InterpCx TyCtxtAt a TyCtxt, and separately remember the root span of the evaluation

4 years agox.py: do not build Miri by default
Ralf Jung [Thu, 11 Jun 2020 07:25:06 +0000 (09:25 +0200)]
x.py: do not build Miri by default

4 years agomake miri memory TyCtxtAt a TyCtxt
Ralf Jung [Mon, 1 Jun 2020 06:42:40 +0000 (08:42 +0200)]
make miri memory TyCtxtAt a TyCtxt

4 years agoAuto merge of #73266 - ehuss:update-cargo, r=ehuss
bors [Fri, 12 Jun 2020 04:46:03 +0000 (04:46 +0000)]
Auto merge of #73266 - ehuss:update-cargo, r=ehuss

Update cargo

2 commits in 1ec223effbbbf9fddd3453cdcae3a96a967608eb..79c769c3d7b4c2cf6a93781575b7f592ef974255
2020-06-09 20:03:14 +0000 to 2020-06-11 22:13:37 +0000
- Fix failure with missing readme. (rust-lang/cargo#8353)
- Some LTO fixes. (rust-lang/cargo#8349)

4 years agoUpdate cargo
Eric Huss [Fri, 12 Jun 2020 01:47:27 +0000 (18:47 -0700)]
Update cargo

4 years agoAuto merge of #69478 - avr-rust:avr-support-upstream, r=jonas-schievink
bors [Fri, 12 Jun 2020 01:28:37 +0000 (01:28 +0000)]
Auto merge of #69478 - avr-rust:avr-support-upstream, r=jonas-schievink

Enable AVR as a Tier 3 target upstream

Tracking issue: #44052.

Things intentionally left out of the initial upstream:

* The `target_cpu` flag

I have made the cleanup suggestions by @jplatte and @jplatte in https://github.com/avr-rust/rust/commit/043550d9db0582add42e5837f636f61acb26b915.

Anybody feel free to give the branch a test and see how it fares, or make suggestions on the code patch itself.

4 years agoUse the built cargo for cargotest.
Eric Huss [Fri, 12 Jun 2020 01:28:13 +0000 (18:28 -0700)]
Use the built cargo for cargotest.

4 years agoRun fmt
Aaron Hill [Fri, 12 Jun 2020 00:16:41 +0000 (20:16 -0400)]
Run fmt

4 years agoUse `fn_span` to point to the actual method call
Aaron Hill [Thu, 11 Jun 2020 22:10:13 +0000 (18:10 -0400)]
Use `fn_span` to point to the actual method call

4 years agoAuto merge of #73259 - Dylan-DPC:rollup-m6nw1n0, r=Dylan-DPC
bors [Thu, 11 Jun 2020 22:08:01 +0000 (22:08 +0000)]
Auto merge of #73259 - Dylan-DPC:rollup-m6nw1n0, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #73033 (Fix #[thread_local] statics as asm! sym operands)
 - #73036 (std: Enable atomic.fence emission on wasm32)
 - #73163 (Add long error explanation for E0724)
 - #73187 (Remove missed `cfg(bootstrap)`)
 - #73195 (Provide suggestion to convert numeric op LHS rather than unwrapping RHS)
 - #73247 (Add various Zulip notifications for prioritization)
 - #73254 (Add comment about LocalDefId -> DefId)

Failed merges:

r? @ghost

4 years agoRollup merge of #73254 - jyn514:local-def-id-comment, r=lcnr
Dylan DPC [Thu, 11 Jun 2020 22:05:36 +0000 (00:05 +0200)]
Rollup merge of #73254 - jyn514:local-def-id-comment, r=lcnr

Add comment about LocalDefId -> DefId

Now there are instructions on how to convert back and forth on both
structs, not just one.

See also https://github.com/rust-lang/rust/pull/73076

r? @lcnr

4 years agoRollup merge of #73247 - LeSeulArtichaut:patch-1, r=spastorino
Dylan DPC [Thu, 11 Jun 2020 22:05:34 +0000 (00:05 +0200)]
Rollup merge of #73247 - LeSeulArtichaut:patch-1, r=spastorino

Add various Zulip notifications for prioritization

Adapts `triagebot.toml` for rust-lang/triagebot#616 and adds various Zulip notifications for the Prioritization WG workflow.
We should also add indications about the procedure for handling those events, cc @rust-lang/wg-prioritization.

r? @spastorino
This should be merged as soon as possible after rust-lang/triagebot#616 is merged, cc @Mark-Simulacrum

4 years agoRollup merge of #73195 - ayazhafiz:i/73145, r=estebank
Dylan DPC [Thu, 11 Jun 2020 22:05:33 +0000 (00:05 +0200)]
Rollup merge of #73195 - ayazhafiz:i/73145, r=estebank

Provide suggestion to convert numeric op LHS rather than unwrapping RHS

Given a code

```rust
fn foo(x: u8, y: u32) -> bool {
    x > y
}
fn main() {}
```

it could be more helpful to provide a suggestion to do "u32::from(x)"
rather than "y.try_into().unwrap()", since the latter may panic.

We do this by passing the LHS of a binary expression up the stack into
the coercion checker.

Closes #73145

4 years agoRollup merge of #73187 - mati865:bootstrap-cleanup, r=Mark-Simulacrum
Dylan DPC [Thu, 11 Jun 2020 22:05:31 +0000 (00:05 +0200)]
Rollup merge of #73187 - mati865:bootstrap-cleanup, r=Mark-Simulacrum

Remove missed `cfg(bootstrap)`

4 years agoRollup merge of #73163 - ayushmishra2005:61137-add-long-error-code-e0724, r=davidtwco
Dylan DPC [Thu, 11 Jun 2020 22:05:29 +0000 (00:05 +0200)]
Rollup merge of #73163 - ayushmishra2005:61137-add-long-error-code-e0724, r=davidtwco

Add long error explanation for E0724

Add long explanation for the E0724 error code
Part of #61137

4 years agoRollup merge of #73036 - alexcrichton:update-wasm-fence, r=Mark-Simulacrum
Dylan DPC [Thu, 11 Jun 2020 22:05:27 +0000 (00:05 +0200)]
Rollup merge of #73036 - alexcrichton:update-wasm-fence, r=Mark-Simulacrum

std: Enable atomic.fence emission on wasm32

This commit removes the `#[cfg]` guards in `atomic::fence` on wasm
targets. Since these guards were originally added the upstream wasm
specification for threads gained an `atomic.fence` instruction, so LLVM
no longer panics on these intrinsics.

Although there aren't a ton of tests in-repo for this right now I've
tested locally and all of these fences generate `atomic.fence`
instructions in wasm.

Closes #65687
Closes #72997

4 years agoRollup merge of #73033 - Amanieu:asm-tls, r=oli-obk
Dylan DPC [Thu, 11 Jun 2020 22:05:19 +0000 (00:05 +0200)]
Rollup merge of #73033 - Amanieu:asm-tls, r=oli-obk

Fix #[thread_local] statics as asm! sym operands

The `asm!` RFC specifies that `#[thread_local]` statics may be used as `sym` operands for inline assembly.

This also fixes a regression in the handling of `#[thread_local]` during monomorphization which caused link-time errors with multiple codegen units, most likely introduced by #71192.

r? @oli-obk

4 years agoExplain move errors that occur due to method calls involving `self`
Aaron Hill [Thu, 11 Jun 2020 17:48:46 +0000 (13:48 -0400)]
Explain move errors that occur due to method calls involving `self`

4 years agoMake `fn_arg_names` return `Ident` instead of symbol
Aaron Hill [Thu, 11 Jun 2020 17:42:22 +0000 (13:42 -0400)]
Make `fn_arg_names` return `Ident` instead of symbol

Also, implement this query for the local crate, not just foreign crates.

4 years agoAdd comment about LocalDefId -> DefId
Joshua Nelson [Thu, 11 Jun 2020 21:16:38 +0000 (17:16 -0400)]
Add comment about LocalDefId -> DefId

Now there are instructions on how to convert back and forth on both
structs, not just one.

4 years agoAuto merge of #73246 - Dylan-DPC:rollup-xnm531f, r=Dylan-DPC
bors [Thu, 11 Jun 2020 18:11:07 +0000 (18:11 +0000)]
Auto merge of #73246 - Dylan-DPC:rollup-xnm531f, r=Dylan-DPC

Rollup of 7 pull requests

Successful merges:

 - #72180 (remove extra space from crate-level doctest names)
 - #73012 (Show `SyntaxContext` in formatted `Span` debug output)
 - #73097 (Try_run must only be used if toolstate is populated)
 - #73169 (Handle assembler warnings properly)
 - #73182 (Track span of function in method calls, and use this in #[track_caller])
 - #73207 (Clean up E0648 explanation)
 - #73230 (Suggest including unused asm arguments in a comment to avoid error)

Failed merges:

r? @ghost

4 years agoAdd long error explanation for E0724
Ayush Kumar Mishra [Tue, 9 Jun 2020 10:56:21 +0000 (16:26 +0530)]
Add long error explanation for E0724

Minor refactoring

Minor refactoring

Update src/librustc_error_codes/error_codes/E0724.md

Co-authored-by: David Wood <Q0KPU0H1YOEPHRY1R2SN5B5RL@david.davidtw.co>
Update src/librustc_error_codes/error_codes/E0724.md

Co-authored-by: David Wood <Q0KPU0H1YOEPHRY1R2SN5B5RL@david.davidtw.co>
Update src/librustc_error_codes/error_codes/E0724.md

Co-authored-by: David Wood <Q0KPU0H1YOEPHRY1R2SN5B5RL@david.davidtw.co>
Minor refactoring

4 years agoAdd various Zulip notifications for prioritization
LeSeulArtichaut [Thu, 11 Jun 2020 17:21:09 +0000 (19:21 +0200)]
Add various Zulip notifications for prioritization

4 years agoRollup merge of #73230 - Amanieu:asm-unused2, r=petrochenkov
Dylan DPC [Thu, 11 Jun 2020 17:04:20 +0000 (19:04 +0200)]
Rollup merge of #73230 - Amanieu:asm-unused2, r=petrochenkov

Suggest including unused asm arguments in a comment to avoid error

We require all arguments to an `asm!` to be used in the template string, just like format strings. However in some cases (e.g. `black_box`) it may be desirable to have `asm!` arguments that are not used in the template string.

Currently this is a hard error rather than a lint since `#[allow]` does not work on macros (#63221), so this PR suggests using the unused arguments in an asm comment as a workaround.

r? @petrochenkov

4 years agoRollup merge of #73207 - GuillaumeGomez:cleanup-e0648, r=Dylan-DPC
Dylan DPC [Thu, 11 Jun 2020 17:04:18 +0000 (19:04 +0200)]
Rollup merge of #73207 - GuillaumeGomez:cleanup-e0648, r=Dylan-DPC

Clean up E0648 explanation

r? @Dylan-DPC

4 years agoRollup merge of #73182 - Aaron1011:feature/call-fn-span, r=matthewjasper
Dylan DPC [Thu, 11 Jun 2020 17:04:16 +0000 (19:04 +0200)]
Rollup merge of #73182 - Aaron1011:feature/call-fn-span, r=matthewjasper

Track span of function in method calls, and use this in #[track_caller]

Fixes #69977

When we parse a chain of method calls like `foo.a().b().c()`, each
`MethodCallExpr` gets assigned a span that starts at the beginning of
the call chain (`foo`). While this is useful for diagnostics, it means
that `Location::caller` will return the same location for every call
in a call chain.

This PR makes us separately record the span of the function name and
arguments for a method call (e.g. `b()` in `foo.a().b().c()`). This
`Span` is passed through HIR lowering and MIR building to
`TerminatorKind::Call`, where it is used in preference to
`Terminator.source_info.span` when determining `Location::caller`.

This new span is also useful for diagnostics where we want to emphasize
a particular method call - for an example, see
https://github.com/rust-lang/rust/pull/72389#discussion_r436035990

4 years agoRollup merge of #73169 - Amanieu:asm-warnings, r=petrochenkov
Dylan DPC [Thu, 11 Jun 2020 17:04:14 +0000 (19:04 +0200)]
Rollup merge of #73169 - Amanieu:asm-warnings, r=petrochenkov

Handle assembler warnings properly

Previously all inline asm diagnostics were treated as errors, but LLVM sometimes emits warnings and notes as well.

Fixes #73160

r? @petrochenkov

4 years agoRollup merge of #73097 - Mark-Simulacrum:clippy-fail, r=oli-obk
Dylan DPC [Thu, 11 Jun 2020 17:04:12 +0000 (19:04 +0200)]
Rollup merge of #73097 - Mark-Simulacrum:clippy-fail, r=oli-obk

Try_run must only be used if toolstate is populated

Clippy's tests were failing the build, but that failure was ignored in favor of checking toolstate. This is the correct behavior for toolstate-checked tools, but Clippy no longer updates its toolstate status as it should always build.

The previous PR of this kind didn't catch this as I expected x.py failures to always lead to a non-successful build in CI, but that's not the case specifically for tool testing.

4 years agoRollup merge of #73012 - Aaron1011:feature/span-debug-ctxt, r=matthewjasper
Dylan DPC [Thu, 11 Jun 2020 17:04:09 +0000 (19:04 +0200)]
Rollup merge of #73012 - Aaron1011:feature/span-debug-ctxt, r=matthewjasper

Show `SyntaxContext` in formatted `Span` debug output

This is only really useful in debug messages, so I've switched to
calling `span_to_string` in any place that causes a `Span` to end up in
user-visible output.

4 years agoRollup merge of #72180 - euclio:rustdoc-test-extra-space, r=Dylan-DPC
Dylan DPC [Thu, 11 Jun 2020 17:04:08 +0000 (19:04 +0200)]
Rollup merge of #72180 - euclio:rustdoc-test-extra-space, r=Dylan-DPC

remove extra space from crate-level doctest names

Before:

```
running 2 tests
test src/test/rustdoc-ui/doctest-output.rs - foo::bar (line 11) ... ok
test src/test/rustdoc-ui/doctest-output.rs -  (line 5) ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
```

After:

```
running 2 tests
test src/test/rustdoc-ui/doctest-output.rs - foo::bar (line 11) ... ok
test src/test/rustdoc-ui/doctest-output.rs - (line 5) ... ok

test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
```

4 years agoFix NLL test
Matthew Jasper [Thu, 11 Jun 2020 11:34:36 +0000 (12:34 +0100)]
Fix NLL test

4 years agoDocument some opaque types code
Matthew Jasper [Sun, 7 Jun 2020 18:52:05 +0000 (19:52 +0100)]
Document some opaque types code

4 years agoAllow all impl trait types to capture bound lifetimes
Matthew Jasper [Sun, 7 Jun 2020 18:42:08 +0000 (19:42 +0100)]
Allow all impl trait types to capture bound lifetimes

4 years agoRename `TyKind::Def` to `OpaqueDef`
Matthew Jasper [Sun, 7 Jun 2020 17:56:17 +0000 (18:56 +0100)]
Rename `TyKind::Def` to `OpaqueDef`

4 years agofixup! Provide suggestion to convert numeric op LHS rather than unwrapping RHS
Ayaz Hafiz [Thu, 11 Jun 2020 15:34:12 +0000 (08:34 -0700)]
fixup! Provide suggestion to convert numeric op LHS rather than unwrapping RHS

4 years agoProvide suggestion to convert numeric op LHS rather than unwrapping RHS
Ayaz Hafiz [Tue, 9 Jun 2020 18:45:40 +0000 (11:45 -0700)]
Provide suggestion to convert numeric op LHS rather than unwrapping RHS

Given a code

```rust
fn foo(x: u8, y: u32) -> bool {
    x > y
}
fn main() {}
```

it could be more helpful to provide a suggestion to do "u32::from(x)"
rather than "y.try_into().unwrap()", since the latter may panic.

We do this by passing the LHS of a binary expression up the stack into
the coercion checker.

Closes #73145

4 years agoRemove ImplItemKind::OpaqueTy from clippy
Matthew Jasper [Sun, 10 May 2020 14:05:06 +0000 (15:05 +0100)]
Remove ImplItemKind::OpaqueTy from clippy

4 years agoAdd more tests for type alias impl Trait
Matthew Jasper [Sun, 10 May 2020 11:22:45 +0000 (12:22 +0100)]
Add more tests for type alias impl Trait

4 years agoForbid lifetime elision in let position impl Trait
Matthew Jasper [Sun, 10 May 2020 11:18:55 +0000 (12:18 +0100)]
Forbid lifetime elision in let position impl Trait

This is consistent with types.

4 years agoRemove associated opaque types
Matthew Jasper [Sun, 10 May 2020 11:15:51 +0000 (12:15 +0100)]
Remove associated opaque types

They're unused now.

4 years agoStop special casing top level TAIT
Matthew Jasper [Sun, 10 May 2020 10:57:58 +0000 (11:57 +0100)]
Stop special casing top level TAIT

4 years agoMake pretty printing `TyKind::Def` do something
Matthew Jasper [Sun, 10 May 2020 11:06:01 +0000 (12:06 +0100)]
Make pretty printing `TyKind::Def` do something

4 years agoCheck associated opaque types in check_opaque_types
Matthew Jasper [Sun, 10 May 2020 10:25:23 +0000 (11:25 +0100)]
Check associated opaque types in check_opaque_types

4 years agoUse preinstalled MSYS2
Mateusz Mikuła [Tue, 9 Jun 2020 22:48:43 +0000 (00:48 +0200)]
Use preinstalled MSYS2

4 years agoFix the link in the TryFrom impl
Alexis Bourget [Thu, 11 Jun 2020 14:55:03 +0000 (16:55 +0200)]
Fix the link in the TryFrom impl

4 years agoClean up E0666 explanation
Guillaume Gomez [Thu, 11 Jun 2020 11:34:04 +0000 (13:34 +0200)]
Clean up E0666 explanation

4 years agoAuto merge of #73235 - Dylan-DPC:rollup-zp8oxhg, r=Dylan-DPC
bors [Thu, 11 Jun 2020 11:17:37 +0000 (11:17 +0000)]
Auto merge of #73235 - Dylan-DPC:rollup-zp8oxhg, r=Dylan-DPC

Rollup of 11 pull requests

Successful merges:

 - #72380 (Fix `is_const_context`, update `check_for_cast`)
 - #72941 (Ensure stack when building MIR for matches)
 - #72976 (Clean up E0642 explanation)
 - #73080 (doc/rustdoc: Fix incorrect external_doc feature flag)
 - #73155 (save_analysis: better handle paths and functions signature)
 - #73164 (Add new E0762 error code)
 - #73172 (Fix more clippy warnings)
 - #73181 (Automatically prioritize unsoundness issues)
 - #73183 (Support proc macros in intra doc link resolution)
 - #73208 (Fix doctest template)
 - #73219 (x.py: with --json-output, forward cargo's JSON)

Failed merges:

r? @ghost

4 years agoRollup merge of #73219 - RalfJung:cargo-json, r=Mark-Simulacrum
Dylan DPC [Thu, 11 Jun 2020 11:16:12 +0000 (13:16 +0200)]
Rollup merge of #73219 - RalfJung:cargo-json, r=Mark-Simulacrum

x.py: with --json-output, forward cargo's JSON

Fixes https://github.com/rust-lang/rust/issues/73209

r? @Mark-Simulacrum

4 years agoRollup merge of #73208 - qm3ster:patch-1, r=Amanieu
Dylan DPC [Thu, 11 Jun 2020 11:16:10 +0000 (13:16 +0200)]
Rollup merge of #73208 - qm3ster:patch-1, r=Amanieu

Fix doctest template

`saturating_add` example was not parameterized, but passed because the `u8` would saturate successfully

4 years agoRollup merge of #73183 - Manishearth:intra-doc-macro, r=GuillaumeGomez
Dylan DPC [Thu, 11 Jun 2020 11:16:08 +0000 (13:16 +0200)]
Rollup merge of #73183 - Manishearth:intra-doc-macro, r=GuillaumeGomez

Support proc macros in intra doc link resolution

The feature was written pre-proc macro resolution, so it only supported the wacky MBE resolution rules. This adds support for proc macros as well.

cc @GuillaumeGomez

Fixes #73173

4 years agoRollup merge of #73181 - LeSeulArtichaut:patch-1, r=spastorino
Dylan DPC [Thu, 11 Jun 2020 11:16:06 +0000 (13:16 +0200)]
Rollup merge of #73181 - LeSeulArtichaut:patch-1, r=spastorino

Automatically prioritize unsoundness issues

r? @spastorino cc @Mark-Simulacrum @rust-lang/wg-prioritization

4 years agoRollup merge of #73172 - matthiaskrgr:cl9ppy, r=Dylan-DPC
Dylan DPC [Thu, 11 Jun 2020 11:16:04 +0000 (13:16 +0200)]
Rollup merge of #73172 - matthiaskrgr:cl9ppy, r=Dylan-DPC

Fix more clippy warnings

Fixes more of:

clippy::unused_unit
clippy::op_ref
clippy::useless_format
clippy::needless_return
clippy::useless_conversion
clippy::bind_instead_of_map
clippy::into_iter_on_ref
clippy::redundant_clone
clippy::nonminimal_bool
clippy::redundant_closure
clippy::option_as_ref_deref
clippy::len_zero
clippy::iter_cloned_collect
clippy::filter_next

r? @Dylan-DPC

4 years agoRollup merge of #73164 - GuillaumeGomez:add-e0761, r=petrochenkov
Dylan DPC [Thu, 11 Jun 2020 11:16:02 +0000 (13:16 +0200)]
Rollup merge of #73164 - GuillaumeGomez:add-e0761, r=petrochenkov

Add new E0762 error code

4 years agoRollup merge of #73155 - marmeladema:save-analysis-various-fixes, r=Xanewok
Dylan DPC [Thu, 11 Jun 2020 11:16:00 +0000 (13:16 +0200)]
Rollup merge of #73155 - marmeladema:save-analysis-various-fixes, r=Xanewok

save_analysis: better handle paths and functions signature

This should improve slightly some possible regressions due to hir rework.

r? @Xanewok

4 years agoRollup merge of #73080 - ertos-rs:sean.wilson/devel/external_doc-ref-fix, r=ollie27
Dylan DPC [Thu, 11 Jun 2020 11:15:58 +0000 (13:15 +0200)]
Rollup merge of #73080 - ertos-rs:sean.wilson/devel/external_doc-ref-fix, r=ollie27

doc/rustdoc: Fix incorrect external_doc feature flag

4 years agoRollup merge of #72976 - GuillaumeGomez:cleanup-e0642, r=Dylan-DPC
Dylan DPC [Thu, 11 Jun 2020 11:15:57 +0000 (13:15 +0200)]
Rollup merge of #72976 - GuillaumeGomez:cleanup-e0642, r=Dylan-DPC

Clean up E0642 explanation

r? @Dylan-DPC

4 years agoRollup merge of #72941 - nagisa:ensure-stack-for-match, r=oli-obk
Dylan DPC [Thu, 11 Jun 2020 11:15:54 +0000 (13:15 +0200)]
Rollup merge of #72941 - nagisa:ensure-stack-for-match, r=oli-obk

Ensure stack when building MIR for matches

In particular matching on complex types such as strings will cause
deep recursion to happen.

Fixes #72933

r? @matthewjasper @oli-obk

4 years agoRollup merge of #72380 - lcnr:const_context, r=estebank
Dylan DPC [Thu, 11 Jun 2020 11:15:53 +0000 (13:15 +0200)]
Rollup merge of #72380 - lcnr:const_context, r=estebank

Fix `is_const_context`, update `check_for_cast`

A better version of #71477

Adds `fn enclosing_body_owner` and uses it in `is_const_context`.
`is_const_context` now uses the same mechanism as `mir_const_qualif` as it was previously incorrect.
Renames `is_const_context` to `is_inside_const_context`.

I also updated `check_for_cast` in the second commit, so r? @estebank

(I removed one lvl of indentation, so it might be easier to review by hiding whitespace changes)

4 years agoAuto merge of #71896 - spastorino:existential-assoc-types-variance, r=nikomatsakis
bors [Thu, 11 Jun 2020 04:58:48 +0000 (04:58 +0000)]
Auto merge of #71896 - spastorino:existential-assoc-types-variance, r=nikomatsakis

Relate existential associated types with variance Invariant

Fixes #71550 #72315

r? @nikomatsakis

The test case reported in that issue now errors with the following message ...

```
error[E0495]: cannot infer an appropriate lifetime for lifetime parameter 'a in function call due to conflicting requirements
  --> /tmp/test.rs:25:5
   |
25 |     bad(&Bar(PhantomData), x)
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
   |
note: first, the lifetime cannot outlive the lifetime `'a` as defined on the function body at 24:11...
  --> /tmp/test.rs:24:11
   |
24 | fn extend<'a, T>(x: &'a T) -> &'static T {
   |           ^^
note: ...so that reference does not outlive borrowed content
  --> /tmp/test.rs:25:28
   |
25 |     bad(&Bar(PhantomData), x)
   |                            ^
   = note: but, the lifetime must be valid for the static lifetime...
note: ...so that the types are compatible
  --> /tmp/test.rs:25:9
   |
25 |     bad(&Bar(PhantomData), x)
   |         ^^^^^^^^^^^^^^^^^
   = note: expected  `&'static T`
              found  `&T`

error: aborting due to previous error

For more information about this error, try `rustc --explain E0495`.
```

I could also add that test case if we want to have a weaponized one too.

4 years agoAdd a suggestion to use unused asm arguments in comments
Amanieu d'Antras [Thu, 11 Jun 2020 00:27:48 +0000 (01:27 +0100)]
Add a suggestion to use unused asm arguments in comments

4 years agoUpdate src/libcore/num/mod.rs
Amanieu d'Antras [Thu, 11 Jun 2020 04:21:15 +0000 (05:21 +0100)]
Update src/libcore/num/mod.rs

Co-authored-by: lzutao <taolzu@gmail.com>
4 years agoAuto merge of #73198 - ehuss:update-cargo, r=ehuss
bors [Thu, 11 Jun 2020 01:27:03 +0000 (01:27 +0000)]
Auto merge of #73198 - ehuss:update-cargo, r=ehuss

Update cargo

15 commits in 40ebd52206e25c7a576ee42c137cc06a745a167a..1ec223effbbbf9fddd3453cdcae3a96a967608eb
2020-06-01 22:35:00 +0000 to 2020-06-09 20:03:14 +0000
- Default values for `readme` if not specified (rust-lang/cargo#8277)
- Fix tree completions. (rust-lang/cargo#8342)
- Support `{prefix}` and `{lowerprefix}` markers in `config.json` `dl` key (rust-lang/cargo#8267)
- Add environment variables to identify the binary and crate name (rust-lang/cargo#8270)
- Bump to 0.47.0, update changelog (rust-lang/cargo#8336)
- Nits: Remove unneeded mut and loop (rust-lang/cargo#8334)
- 1.45 beta backports (rust-lang/cargo#8331)
- Better error message when passing in relative path to Workspace::new (rust-lang/cargo#8321)
- Don't hash executable filenames on apple platforms. (rust-lang/cargo#8329)
- fix clippy warnings (rust-lang/cargo#8324)
- Require latest libgit2 to pull in bugfixes (rust-lang/cargo#8320)
- Fix an accidental raw access of field (rust-lang/cargo#8319)
- Use mem::take to replace with Default values (rust-lang/cargo#8314)
- Allow Windows dylibs without dll suffix. (rust-lang/cargo#8310)
- Show alias in help message (rust-lang/cargo#8307)

4 years agoAllow inference regions when relating consts
Tyler Mandry [Thu, 11 Jun 2020 00:08:22 +0000 (17:08 -0700)]
Allow inference regions when relating consts

Fixes #73050

4 years agoCleanup docs
Amanieu d'Antras [Thu, 11 Jun 2020 00:27:39 +0000 (01:27 +0100)]
Cleanup docs

4 years agoFix test
Aaron Hill [Wed, 10 Jun 2020 22:39:05 +0000 (18:39 -0400)]
Fix test

4 years agoAdd a TryFrom<Vec<u8>> impl that mirror from_vec_with_nul
Alexis Bourget [Wed, 10 Jun 2020 21:13:45 +0000 (23:13 +0200)]
Add a TryFrom<Vec<u8>> impl that mirror from_vec_with_nul

4 years agoAuto merge of #73206 - Dylan-DPC:rollup-rha9g8q, r=Dylan-DPC
bors [Wed, 10 Jun 2020 22:01:37 +0000 (22:01 +0000)]
Auto merge of #73206 - Dylan-DPC:rollup-rha9g8q, r=Dylan-DPC

Rollup of 9 pull requests

Successful merges:

 - #72706 (Add windows group to triagebot)
 - #72789 (resolve: Do not suggest imports from the same module in which we are resolving)
 - #72890 (improper ctypes: normalize return types and transparent structs)
 - #72897 (normalize adt fields during structural match checking)
 - #73005 (Don't create impl candidates when obligation contains errors)
 - #73023 (Remove noisy suggestion of hash_map )
 - #73070 (Add regression test for const generic ICE in #72819)
 - #73157 (Don't lose empty `where` clause when pretty-printing)
 - #73184 (Reoder order in which MinGW libs are linked to fix recent breakage)

Failed merges:

r? @ghost

4 years agofix rebase
Esteban Küber [Wed, 10 Jun 2020 21:54:27 +0000 (14:54 -0700)]
fix rebase