Rollup of 10 pull requests #63563
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Rollup of 10 pull requests #63563
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Co-Authored-By: bjorn3 <bjorn3@users.noreply.github.com>
Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention. It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass. So, it shouldn't be hide under a generic visitor call. Also, from all the implemented visitor methods only two were actually used.
This is needed to permit us building core_arch which is a submodule dep (so we can't snap it to the new beta compiler).
Add lint for excess trailing semicolons Closes rust-lang#60876. A caveat (not necessarily a negative, but something to consider) with this implementation is that excess semicolons after return/continue/break now also cause an 'unreachable statement' warning. For the following example: ``` fn main() { extra_semis(); } fn extra_semis() -> i32 { let mut sum = 0;;; for i in 0..10 { if i == 5 { continue;; } else if i == 9 { break;; } else { sum += i;; } } return sum;; } ``` The output is: ``` warning: unnecessary trailing semicolons --> src/main.rs:5:21 | 5 | let mut sum = 0;;; | ^^ help: remove these semicolons | = note: `#[warn(redundant_semicolon)]` on by default warning: unnecessary trailing semicolon --> src/main.rs:8:22 | 8 | continue;; | ^ help: remove this semicolon warning: unnecessary trailing semicolon --> src/main.rs:10:19 | 10 | break;; | ^ help: remove this semicolon warning: unnecessary trailing semicolon --> src/main.rs:12:22 | 12 | sum += i;; | ^ help: remove this semicolon warning: unnecessary trailing semicolon --> src/main.rs:15:16 | 15 | return sum;; | ^ help: remove this semicolon warning: unreachable statement --> src/main.rs:8:22 | 8 | continue;; | ^ | = note: `#[warn(unreachable_code)]` on by default warning: unreachable statement --> src/main.rs:10:19 | 10 | break;; | ^ warning: unreachable statement --> src/main.rs:15:16 | 15 | return sum;; | ^ ```
Miri: Check that a ptr is aligned and inbounds already when evaluating `*` This syncs Miri with what the Nomicon and the Reference say, and resolves rust-lang/miri#447. Also this would not have worked without rust-lang#62982 due to new cycles. ;) r? @oli-obk
…chenkov libsyntax: cleanup and refactor `pat.rs` A smaller refactoring & cleanup of `pat.rs` (best read commit by commit). r? @petrochenkov
Remove redundant `ty` fields from `mir::Constant` and `hair::pattern::PatternRange`. Fixes rust-lang#56137. As a side-effect, associated const literals have the correct type now, which should make things easier for rust-lang#61041. r? @oli-obk / @matthewjasper cc @davidtwco @varkor
Point at the right enclosing scope when using `await` in non-async fn Fix rust-lang#63398.
syntax: Remove `DummyResult::expr_only` The effect is that if a built-in macro both returns an erroneous AST fragment and is used in unexpected position, then the incorrect position error won't be reported. This combination of two errors should be rare and isn't worth an extra field that makes people ask questions in comments. (There wasn't even a test making sure it worked.) Addresses rust-lang#63468 (comment) r? @estebank
expand: Unimplement `MutVisitor` on `MacroExpander` Each call to `fully_expand_fragment` is something unique, interesting, and requiring attention. It represents a "root" of expansion and its use means that something unusual is happening, like eager expansion or expansion performed outside of the primary expansion pass. So, it shouldn't hide under a generic visitor call. Also, from all the implemented visitor methods only two were actually used. cc rust-lang#63468 (comment)
Add NodeId for Arm, Field and FieldPat Extracted from rust-lang#63468
…henkov move test that shouldn't be in test/run-pass/ We no longer test `src/test/run-pass/`; the proper way now is `// run-pass` in `src/test/ui/` r? @petrochenkov
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@bors r+ p=10 rollup=never |
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📌 Commit a1f564b has been approved by |
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Aug 14, 2019
Rollup of 10 pull requests Successful merges: - #62984 (Add lint for excess trailing semicolons) - #63075 (Miri: Check that a ptr is aligned and inbounds already when evaluating `*`) - #63490 (libsyntax: cleanup and refactor `pat.rs`) - #63495 ( Remove redundant `ty` fields from `mir::Constant` and `hair::pattern::PatternRange`.) - #63509 (Point at the right enclosing scope when using `await` in non-async fn) - #63528 (syntax: Remove `DummyResult::expr_only`) - #63534 (Bump to 1.39) - #63537 (expand: Unimplement `MutVisitor` on `MacroExpander`) - #63542 (Add NodeId for Arm, Field and FieldPat) - #63560 (move test that shouldn't be in test/run-pass/) Failed merges: r? @ghost
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💔 Test failed - checks-azure |
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Successful merges:
*#63075 (Miri: Check that a ptr is aligned and inbounds already when evaluating*)pat.rs#63490 (libsyntax: cleanup and refactorpat.rs)tyfields frommir::Constantandhair::pattern::PatternRange. #63495 ( Remove redundanttyfields frommir::Constantandhair::pattern::PatternRange.)awaitin non-async fn #63509 (Point at the right enclosing scope when usingawaitin non-async fn)DummyResult::expr_only#63528 (syntax: RemoveDummyResult::expr_only)MutVisitoronMacroExpander#63537 (expand: UnimplementMutVisitoronMacroExpander)Failed merges:
r? @ghost