Rollup of 6 pull requests #67505
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Rollup of 6 pull requests #67505
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The code is dead because `check_pat_slice` will never have `expected = ty::Ref(...)` due to default-binding-modes (see `is_non_ref_pat`, `peel_off_references`). Moreover, if the type is not `ty::Array(_) | ty::Slice(_)` then `check_pat_slice` enters an error branch.
Also use `types.err` when matching on `expected.kind`s which don't match `ty::Array(..) | ty::Slice(_)`.
Avoid calling `.node_type(...)` again.
After rust-lang#62550, it is no longer possible for `slice` to be other than `None | Some(Binding(..) | Wild)`. In particular, `lower_pat_slice` may never generate `Some(Array(..) | Slice(..))` and so there is nothing to flatten into `slice`.
(The backticks were rendering badly in VSCode.)
Refactor type & bounds parsing thoroughly PR is based on rust-lang#67131 with first one from this PR being ` extract parse_ty_tuple_or_parens`. Also fixes rust-lang#67146. r? @estebank
…lacrum Reenable static linking of libstdc++ on windows-gnu Fixes rust-lang#67408 Verified locally that `rustc_driver` is now statically linked to libstdc++.
…jasper Cleanup `lower_pattern_unadjusted` & Improve slice pat typeck Following up on rust-lang#67318, in this PR, the HAIR lowering of patterns (`lower_pattern_unadjusted`) is cleaned up with a focus on slice patterns (in particular, some dead code is removed). Moreover, `check_pat_slice` is refactored some more. r? @matthewjasper
…-0-part-2, r=Centril Require issue = "none" over issue = "0" in unstable attributes These changes make the use of `issue = "none"` required in unstable attributes throughout the compiler. Notes: - rust-lang#66299 is now in beta so `issue = "none"` is accepted. - The `tidy` tool now fails on `issue = "0"`. - Tests that used `issue = "0"` were changed to use `issue = "none"`, except for _one_ that asserts `issue = "0"` can still be used. - The compiler still allows `issue = "0"` because some submodules require it, this could be disallowed once these are updated. Resolves rust-lang#41260 r? @varkor
…rns, r=Centril Tweak non_shorthand_field_patterns' suggestion Fixes rust-lang#66434 r? @estebank
…=Centril Warn against relying on ?Sized being last Fixes rust-lang#62522
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| @bors r+ p=200 rollup=never |
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| 📌 Commit ca528fc has been approved by |
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| 🌲 The tree is currently closed for pull requests below priority 100, this pull request will be tested once the tree is reopened |
bors added the S-waiting-on-bors 
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bors added a commit that referenced this pull request Dec 22, 2019
Rollup of 6 pull requests Successful merges: - #67148 ( Refactor type & bounds parsing thoroughly) - #67410 (Reenable static linking of libstdc++ on windows-gnu) - #67439 (Cleanup `lower_pattern_unadjusted` & Improve slice pat typeck) - #67480 (Require issue = "none" over issue = "0" in unstable attributes) - #67500 (Tweak non_shorthand_field_patterns' suggestion) - #67504 (Warn against relying on ?Sized being last) Failed merges: r? @ghost
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| ☀️ Test successful - checks-azure |
This was referenced Dec 22, 2019
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Successful merges:
lower_pattern_unadjusted& Improve slice pat typeck #67439 (Cleanuplower_pattern_unadjusted& Improve slice pat typeck)Failed merges:
r? @ghost