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authorsurechen <chenshuo17@huawei.com>2023-11-10 10:11:24 +0800
committersurechen <chenshuo17@huawei.com>2024-02-18 16:38:11 +0800
commitd88ad9e6b7b07d177c28bf7c65c3bf44759338b4 (patch)
tree86d4000cf36c591aad3b7ba2483a8dc1a936e097 /compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp
parent1ac4d934a8fb0541fb2ae089e7c8d068fe622f02 (diff)
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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.
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
```
Diffstat (limited to 'compiler/rustc_llvm/llvm-wrapper/CoverageMappingWrapper.cpp')
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