Rollup of 6 pull requests #60708
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Rollup of 6 pull requests #60708
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This lets comparisons occur with a single access to the interner, instead of two.
Lots of details I wish I'd known when I first looked at this code.
It's not used.
At request of `@centril`, this commit extends the existing test added by rust-lang#60676 to include nested `mut` patterns.
This commit adds tests checking that uninhabited non-exhaustive types are considered inhabited when used in another crate.
This commit ensures that non-exhaustive variants are considered inhabited when used in extern crates.
This commit ensures that non-exhaustive enums are considered inhabited when used in extern crates.
This commit just tries to tidy up a little.
…etrochenkov RFC 2008: Uninhabitedness fixes for enum variants and tests Part of rust-lang#44109. At the request of @Centril, this PR adds tests asserting that uninhabited non-exhaustive types are considered inhabited in extern crates. In adding these tests, I fixed an oversight in the implementation of RFC 2008 on enum variants that resulted in non-exhaustive enum variants being considered uninhabited in extern crates. Before this PR, these lines would error: ```rust // extern crate pub enum UninhabitedVariants { #[non_exhaustive] Tuple(!), #[non_exhaustive] Struct { x: ! } } pub enum PartiallyInhabitedVariants { Tuple(u8), #[non_exhaustive] Struct { x: ! } } // current crate match uninhabited_variant() /* fn() -> Option<UninhabitedVariants> */ { Some(_x) => (), //~ ERROR unreachable pattern None => (), } while let PartiallyInhabitedVariants::Struct { x, .. } = partially_inhabited_variant() /* fn() -> PartiallyInhabitedVariants */ { //~^ ERROR unreachable pattern } ``` cc @Centril r? @petrochenkov
Fix a couple of FIXMEs in ext::tt::transcribe _Blocked on #60618_ A crater run would be nice to make sure my understanding is correct. A quick google search seems to indicate these are extremely rare errors if they are possible (which I don't believe they are). r? @petrochenkov cc rust-lang#2887 (there is only one FIXME left and it is hygiene-related)
…edString, r=Zoxc Tweak `Symbol` and `InternedString` Some minor improvements to speed and code cleanliness. r? @Zoxc
Extend rust-lang#60676 test for nested mut patterns. At request of @Centril, this commit extends the existing test added by rust-lang#60676 to include nested `mut` patterns. cc @Centril
…ster add regression test for rust-lang#60629 This bug was fixed, but I don't know which one. (I think it even doesn't matter at all). Added a regression test. ``` op@OP ~/m/r/s/t/incremental> rustc --version rustc 1.35.0-nightly (acd8dd6 2019-04-05) op@OP ~/m/r/s/t/incremental> rustc -C incremental= --cfg rpass1 issue-60629.rs warning: struct is never constructed: `A` --> issue-60629.rs:3:1 | 3 | struct A; | ^^^^^^^^^ | = note: #[warn(dead_code)] on by default op@OP ~/m/r/s/t/incremental> rustc -C incremental= --cfg rpass2 issue-60629.rs error: internal compiler error: src/librustc/ty/query/plumbing.rs:1195: Cannot force dep node: coherent_trait(core[c27c]::ops[0]::drop[0]::Drop[0]) thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:635:9 note: Run with `RUST_BACKTRACE=1` environment variable to display a backtrace. error: aborting due to previous error note: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports note: rustc 1.35.0-nightly (acd8dd6 2019-04-05) running on x86_64-unknown-linux-gnu note: compiler flags: -C incremental ``` with latest nightly it does not crash anymore, so nothing more to do. Fixes rust-lang#60629 (accidentally removed the remote branch on github, therefore GH closed the other PR.) r? @nikomatsakis
Update mailmap for mati865
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@bors r+ p=6 rollup=never |
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📌 Commit 329275a has been approved by |
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Rollup of 6 pull requests Successful merges: - #60529 (RFC 2008: Uninhabitedness fixes for enum variants and tests) - #60620 (Fix a couple of FIXMEs in ext::tt::transcribe) - #60659 (Tweak `Symbol` and `InternedString`) - #60692 (Extend #60676 test for nested mut patterns.) - #60697 (add regression test for #60629) - #60701 (Update mailmap for mati865) Failed merges: r? @ghost
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☀️ Test successful - checks-travis, status-appveyor |
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Successful merges:
SymbolandInternedString#60659 (TweakSymbolandInternedString)Failed merges:
r? @ghost