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rustc_typeck: improve diagnostics for _ const/static declarations - #62804
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eddyb
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📌 Commit 469b7a9 has been approved by |
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@eddyb added a few tests that weren't covered by existing cases. |
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📌 Commit c6735a6 has been approved by |
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The job Click to expand the log.I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact |
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The job Click to expand the log.I'm a bot! I can only do what humans tell me to, so if this was not helpful or you have suggestions for improvements, please ping or otherwise contact |
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📌 Commit c6e027d has been approved by |
Centril added a commit
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Jul 21, 2019
… r=eddyb rustc_typeck: improve diagnostics for _ const/static declarations This continues rust-lang#62694 and adds type suggestions to const/static declarations with `_` type. r? @eddyb
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Jul 22, 2019
… r=eddyb rustc_typeck: improve diagnostics for _ const/static declarations This continues rust-lang#62694 and adds type suggestions to const/static declarations with `_` type. r? @eddyb
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Jul 23, 2019
… r=eddyb rustc_typeck: improve diagnostics for _ const/static declarations This continues rust-lang#62694 and adds type suggestions to const/static declarations with `_` type. r? @eddyb
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Jul 23, 2019
Rollup of 14 pull requests Successful merges: - #60951 (more specific errors in src/librustc/mir/interpret/error.rs) - #62523 (Delay bug to resolve HRTB ICE) - #62656 (explain how to search in slice without owned data) - #62791 (Handle more cases of typos misinterpreted as type ascription) - #62804 (rustc_typeck: improve diagnostics for _ const/static declarations) - #62808 (Revert "Disable stack probing for gnux32.") - #62817 (Tweak span for variant not found error) - #62842 (Add tests for issue-58887) - #62851 (move unescape module to rustc_lexer) - #62859 (Place::as_place_ref is now Place::as_ref) - #62869 (add rustc_private as a proper language feature gate) - #62880 (normalize use of backticks in compiler messages for librustc_allocator) - #62885 (Change "OSX" to "macOS") - #62889 (Update stage0.txt) Failed merges: r? @ghost
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Sep 24, 2019
…stebank Recover on `const X = 42;` and infer type + Error Stash API Here we: 1. Introduce a notion of the "error stash". This is a map in the `Handler` to which you can `err.stash(...)` away your diagnostics and then steal them in a later "phase" of the compiler (e.g. stash in parser, steal in typeck) to enrich them with more information that isn't available in the previous "phase". I believe I've covered all the bases to make sure these diagnostics are actually emitted eventually even under `#[cfg(FALSE)]` but please check my logic. 2. Recover when parsing `[const | static mut?] $ident = $expr;` which has a missing type. Use the "error stash" to stash away the error and later steal the error in typeck where we emit the error as `MachineApplicable` with the actual inferred type. This builds on rust-lang#62804. cc rust-lang/rfcs#2545 r? @estebank
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This continues #62694 and adds type suggestions to const/static declarations with
_type.r? @eddyb