Rollup of 6 pull requests #84840
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Rollup of 6 pull requests #84840
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This enables us to set more generic labels shared between targets. For example `target_family="wasm"` across all targets that are conceptually "wasm". See rust-lang/reference#1006
… r=petrochenkov Allow setting `target_family` to multiple values, and implement `target_family="wasm"` As per the conclusion in [this thread](https://rust-lang.zulipchat.com/#narrow/stream/213817-t-lang/topic/Are.20we.20comfortable.20with.20adding.20an.20insta-stable.20cfg.28wasm.29.3F/near/233158441), this implements an ability to specify any number of `target_family` values, allowing for more flexible generic groups, or "families", to be created than just the OS-based unix/windows dichotomy. cc rust-lang/reference#1006
Add ErrorKind::OutOfMemory Ability to express `ENOMEM` as an `io::Error`. I've used `OutOfMemory` as opposed to `NotEnoughMem` or `AllocationFailed`, because "OOM" is used in Rust already. See also rust-lang#84612
Add help message to suggest const for unused type param r? `@lcnr`
…=jyn514 RustDoc: Fix bounds linking trait.Foo instead of traitalias.Foo Fixes rust-lang#84782 The code was assuming `Trait` when adding bounds to the cache, so add a check on the DefId to see what its kind really is. r? `@jyn514` Before:  After: 
suggestion for unit enum variant when matched with a patern resolve rust-lang#84700 add suggestion for code like ```rust enum FarmAnimal { Worm, Cow, Bull, Chicken { num_eggs: usize }, Dog (String), } fn what_does_the_animal_say(animal: &FarmAnimal) { let noise = match animal { FarmAnimal::Cow(_) => "moo".to_string(), _ => todo!() }; println!("{:?} says: {:?}", animal, noise); } ``` ``` error[E0532]: expected tuple struct or tuple variant, found unit variant `FarmAnimal::Cow` --> $DIR/issue-84700.rs:15:9 | LL | Cow, | --- `FarmAnimal::Cow` defined here ... LL | FarmAnimal::Cow(_) => "moo".to_string(), | ^^^^^^^^^^^^^^^^^^ help: use this syntax instead: `FarmAnimal::Cow` ```
…l-traits, r=jyn514 Do not print visibility in external traits This PR fixes the bug that caused traits, which were re-exported, having visibility modifiers in front of methods, which is invalid. It would be nice to add a test for this, but I don't even know if tests with multiple crates are possible. Resolves rust-lang#81274
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@bors r+ rollup=never p=5 |
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Tested on commit rust-lang/rust@59f551a. Direct link to PR: <rust-lang/rust#84840> 💔 miri on windows: test-pass → build-fail (cc @oli-obk @eddyb @RalfJung). 💔 miri on linux: test-pass → build-fail (cc @oli-obk @eddyb @RalfJung).
This was referenced May 3, 2021
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Successful merges:
target_familyto multiple values, and implementtarget_family="wasm"#84072 (Allow settingtarget_familyto multiple values, and implementtarget_family="wasm")Failed merges:
r? @ghost
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