Rollup of 7 pull requests #72433
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Rollup of 7 pull requests #72433
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This is to provide a more explicit statement against a code pattern that many people end up coming with, since the reason of it being unsound comes from the badly known single-allocation validity rule. Providing that very pattern as a counter-example could help mitigate that. Co-authored-by: Ralf Jung <post@ralfj.de>
Intern predicates Implements the first step of rust-lang/compiler-team#285 Renames `ty::Predicate` to `ty::PredicateKind`, which is now interned. To ease the transition, `ty::Predicate` is now a struct containing a reference to `ty::PredicateKind`. r? @ghost
Don't `type_of` on trait assoc ty without default Fix rust-lang#72076.
…llaumeGomez Make intra-link resolve links for both trait and impl items Closes rust-lang#72340
…t_adjacent_slice_concat, r=RalfJung Improve documentation of `slice::from_raw_parts` This is to provide a more explicit statement against a code pattern that many people end up coming with, since the reason of it being unsound comes from the badly known single-allocation validity rule. Providing that very pattern as a counter-example could help mitigate that. See also: https://internals.rust-lang.org/t/pre-rfc-add-join-seq-method-to-slices-and-strs/11936/13 r? @RalfJung
…s, r=nikomatsakis Show default values for debug-assertions & debug-assertions-std
…r, r=kinnison Fix anchor display when hovering impl A little gif for the fixed behaviour:  r? @kinnison
…akis fix discriminant_value sign extension Fixes a regression introduced in rust-lang#70705 r? @nikomatsakis Cc @lcnr @oli-obk
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📌 Commit 74b5c50 has been approved by |
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☀️ Test successful - checks-azure |
This was referenced May 22, 2020
This was referenced May 22, 2020
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This PR caused a rather large perf regression. Looking at the per-query results, the slowdown is in trait solving, so it is most likely #72055. There's one other candidate PR, #71718, whose perf run is not yet complete, but it is unlikely to have caused the regression. |
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Probably the best way to measure this is to submit a PR that reverts the suspect, and perf-test that. |
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Successful merges:
type_ofon trait assoc ty without default #72149 (Don'ttype_ofon trait assoc ty without default)slice::from_raw_parts#72350 (Improve documentation ofslice::from_raw_parts)Failed merges:
r? @ghost