Rollup of 8 pull requests #121054
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Rollup of 8 pull requests #121054
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`compile_fail` should only be used when the code is meant to show what *not* to do. In other words, there should be a fundamental flaw in the code. However, in this case, the example is just incomplete, so we should use `ignore` to avoid confusing readers.
… r=lcnr Check normalized call signature for WF in mir typeck Unfortunately we don't check that the built-in implementations for `Fn*` traits are actually well-formed in the same way that we do for user-provided impls. Essentially, when checking a call terminator, we end up with a signature that references an unnormalized `<[closure] as FnOnce<...>>::Output` in its output. That output type, due to the built-in impl, doesn't follow the expected rule that `WF(ty)` implies `WF(normalized(ty))`. We fix this by also checking the normalized signature here. **See** boxy's detailed and useful explanation comment which explains this in more detail: rust-lang#114936 (comment) Fixes rust-lang#114936 Fixes rust-lang#118876 r? types cc `@BoxyUwU` `@lcnr`
…ram, r=notriddle rustdoc: replace `clean::InstantiationParam` with `clean::GenericArg` Probably better known as `SubstParam` (until rust-lang#120958 which should've probably renamed it to `InstantiatedParam` but anyways). It doesn't make any sense to me why it should exist as a separate type. `GenericArg` is exactly what we want here anyways from a semantic perspective. Both have the same size btw. I also took the liberty of doing some drive-by cleanups.
remove unnecessary calls to `commit_if_ok` we propagate the error outwards, so anything which wants to discard the error should do so itself. r? types
…ion, r=jsha Remove jsha from the rustdoc review rotation As discussed r? `@jsha`
add lcnr to the compiler-team assignment group
Fix two UI tests with incorrect directive / invalid revision - `tests/ui/asm/inline-syntax` had a `ui_test`-style directive on compiletest: `//`@run-rustfix`.` - `tests/ui/asm/inline-syntax.rs` has directives for a undeclared revision `[x86_64_allowed]` which seems to have the same directives as declared revision `[x86_64]`.
… r=Nilstrieb Fix incorrect use of `compile_fail` `compile_fail` should only be used when the code is meant to show what *not* to do. In other words, there should be a fundamental flaw in the code. However, in this case, the example is just incomplete, so we should use `ignore` to avoid confusing readers.
Do not assemble candidates for default impls
There is no reason (as far as I can tell?) that we should assemble an impl candidate for a default impl. This candidate itself does not prove that the impl holds, and any time that it *does* hold, there will be a more specializing non-default impl that also is assembled.
This is because `default impl<T> Foo for T {}` actually expands to `impl<T> Foo for T where T: Foo {}`. The only way to satisfy that where clause (without coinduction) is via *another* implementation that does hold -- precisely an impl that specializes it.
This should fix the specialization related regressions for rust-lang#116494. That should lead to one root crate regression that doesn't have to do with specialization, which I think we can regress.
r? lcnr cc `@rust-lang/types`
cc rust-lang#31844
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…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#118882 (Check normalized call signature for WF in mir typeck) - rust-lang#120999 (rustdoc: replace `clean::InstantiationParam` with `clean::GenericArg`) - rust-lang#121002 (remove unnecessary calls to `commit_if_ok`) - rust-lang#121005 (Remove jsha from the rustdoc review rotation) - rust-lang#121043 (add lcnr to the compiler-team assignment group) - rust-lang#121045 (Fix two UI tests with incorrect directive / invalid revision) - rust-lang#121046 (Fix incorrect use of `compile_fail`) - rust-lang#121047 (Do not assemble candidates for default impls) r? `@ghost` `@rustbot` modify labels: rollup
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Successful merges:
clean::InstantiationParamwithclean::GenericArg#120999 (rustdoc: replaceclean::InstantiationParamwithclean::GenericArg)commit_if_ok#121002 (remove unnecessary calls tocommit_if_ok)compile_fail#121046 (Fix incorrect use ofcompile_fail)r? @ghost
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