bjoernager/rust
bjoernager/rust
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By tracking import use types to check whether it is scope uses or the other situations like module-relative uses, we can do more accurate redundant import checking.

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fixes #117448

For example unnecessary imports in std::prelude that can be eliminated:

```rust
use std::option::Option::Some;//~ WARNING the item `Some` is imported redundantly
use std::option::Option::None; //~ WARNING the item `None` is imported redundantly
```
This commit is contained in:
surechen 2023-11-10 10:11:24 +08:00
parent d3df8ff851
commit a61126cef6
52 changed files with 283 additions and 167 deletions
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2
compiler/rustc_middle/src/mir/syntax.rs
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@ -15,7 +15,7 @@ use crate::ty::{Region, UserTypeAnnotationIndex};
use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece};
use rustc_data_structures::packed::Pu128;
use rustc_hir::def_id::DefId;
use rustc_hir::{self, CoroutineKind};
use rustc_hir::CoroutineKind;
use rustc_index::IndexVec;
use rustc_span::source_map::Spanned;
use rustc_target::abi::{FieldIdx, VariantIdx};