bjoernager/rust
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remove redundant imports

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detects redundant imports that can be eliminated.

for #117772 :

In order to facilitate review and modification, split the checking code and
removing redundant imports code into two PR.
This commit is contained in:
surechen 2023-11-10 10:11:24 +08:00
parent 8cd8d31369
commit 40ae34194c
283 changed files with 140 additions and 510 deletions
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12
compiler/rustc_hir_analysis/src/check/check.rs
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@ -1,5 +1,5 @@
use crate::check::intrinsicck::InlineAsmCtxt;
use crate::errors::{self, LinkageType};
use crate::errors::LinkageType;
use super::compare_impl_item::check_type_bounds;
use super::compare_impl_item::{compare_impl_method, compare_impl_ty};
@ -8,9 +8,8 @@ use rustc_attr as attr;
use rustc_errors::{ErrorGuaranteed, MultiSpan};
use rustc_hir as hir;
use rustc_hir::def::{CtorKind, DefKind};
use rustc_hir::def_id::{DefId, LocalDefId, LocalModDefId};
use rustc_hir::def_id::LocalModDefId;
use rustc_hir::Node;
use rustc_infer::infer::outlives::env::OutlivesEnvironment;
use rustc_infer::infer::{RegionVariableOrigin, TyCtxtInferExt};
use rustc_infer::traits::{Obligation, TraitEngineExt as _};
use rustc_lint_defs::builtin::REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS;
@ -21,18 +20,15 @@ use rustc_middle::ty::layout::{LayoutError, MAX_SIMD_LANES};
use rustc_middle::ty::util::{Discr, IntTypeExt};
use rustc_middle::ty::GenericArgKind;
use rustc_middle::ty::{
self, AdtDef, ParamEnv, RegionKind, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable,
TypeVisitableExt,
AdtDef, ParamEnv, RegionKind, TypeSuperVisitable, TypeVisitable, TypeVisitableExt,
};
use rustc_session::lint::builtin::{UNINHABITED_STATIC, UNSUPPORTED_CALLING_CONVENTIONS};
use rustc_span::symbol::sym;
use rustc_span::{self, Span};
use rustc_target::abi::FieldIdx;
use rustc_target::spec::abi::Abi;
use rustc_trait_selection::traits::error_reporting::on_unimplemented::OnUnimplementedDirective;
use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _;
use rustc_trait_selection::traits::outlives_bounds::InferCtxtExt as _;
use rustc_trait_selection::traits::{self, ObligationCtxt, TraitEngine, TraitEngineExt as _};
use rustc_trait_selection::traits::{self, TraitEngine, TraitEngineExt as _};
use rustc_type_ir::fold::TypeFoldable;
use std::ops::ControlFlow;