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Auto merge of #116300 - cjgillot:split-move, r=petrochenkov

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Separate move path tracking between borrowck and drop elaboration.

The primary goal of this PR is to skip creating a `MovePathIndex` for path that do not need dropping in drop elaboration.

The 2 first commits are cleanups.

The next 2 commits displace `move` errors from move-path builder to borrowck. Move-path builder keeps the same logic, but does not carry error information any more.

The remaining commits allow to filter `MovePathIndex` creation according to types. This is used in drop elaboration, to avoid computing dataflow for paths that do not need dropping.
This commit is contained in:
bors 2023-10-24 00:25:32 +00:00
commit cd674d6179
19 changed files with 581 additions and 559 deletions
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compiler/rustc_borrowck/src/diagnostics/mod.rs
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@ -46,6 +46,7 @@ mod mutability_errors;
mod region_errors;
pub(crate) use bound_region_errors::{ToUniverseInfo, UniverseInfo};
pub(crate) use move_errors::{IllegalMoveOriginKind, MoveError};
pub(crate) use mutability_errors::AccessKind;
pub(crate) use outlives_suggestion::OutlivesSuggestionBuilder;
pub(crate) use region_errors::{ErrorConstraintInfo, RegionErrorKind, RegionErrors};