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https://github.com/rust-lang/rust-clippy
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run clippy_dev fmt
This seemed to overdo it a bit, affecting multiple submodules, and changing a file I didn't touch, so I didn't commit those changes
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1 changed files with 12 additions and 22 deletions
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@ -8,8 +8,8 @@ use rustc_errors::Applicability;
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use rustc_hir::{Expr, ExprKind, GenericArg, Mutability, QPath, TyKind, UnOp};
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use rustc_lint::{LateContext, LateLintPass};
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use rustc_middle::ty::{self, cast::CastKind, Ty};
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use rustc_span::DUMMY_SP;
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use rustc_session::{declare_lint_pass, declare_tool_lint};
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use rustc_span::DUMMY_SP;
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use rustc_typeck::check::{cast::CastCheck, FnCtxt, Inherited};
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use std::borrow::Cow;
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@ -698,18 +698,16 @@ fn is_layout_incompatible<'tcx>(cx: &LateContext<'tcx>, from: Ty<'tcx>, to: Ty<'
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/// a transmute. In certain cases, including some invalid casts from array
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/// references to pointers, this may cause additional errors to be emitted and/or
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/// ICE error messages. This function will panic if that occurs.
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fn can_be_expressed_as_pointer_cast<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, from_ty: Ty<'tcx>, to_ty: Ty<'tcx>) -> bool {
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fn can_be_expressed_as_pointer_cast<'tcx>(
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cx: &LateContext<'tcx>,
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e: &'tcx Expr<'_>,
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from_ty: Ty<'tcx>,
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to_ty: Ty<'tcx>,
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) -> bool {
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use CastKind::*;
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matches!(
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check_cast(cx, e, from_ty, to_ty),
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Some(
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PtrPtrCast
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| PtrAddrCast
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| AddrPtrCast
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| ArrayPtrCast
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| FnPtrPtrCast
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| FnPtrAddrCast
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)
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Some(PtrPtrCast | PtrAddrCast | AddrPtrCast | ArrayPtrCast | FnPtrPtrCast | FnPtrAddrCast)
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)
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}
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@ -722,26 +720,18 @@ fn check_cast<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, from_ty: Ty<'tcx>
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let local_def_id = hir_id.owner;
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Inherited::build(cx.tcx, local_def_id).enter(|inherited| {
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let fn_ctxt = FnCtxt::new(
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&inherited,
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cx.param_env,
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hir_id
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);
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let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, hir_id);
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// If we already have errors, we can't be sure we can pointer cast.
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assert!(
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!fn_ctxt.errors_reported_since_creation(),
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!fn_ctxt.errors_reported_since_creation(),
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"Newly created FnCtxt contained errors"
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);
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if let Ok(check) = CastCheck::new(
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&fn_ctxt,
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e,
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from_ty,
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to_ty,
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&fn_ctxt, e, from_ty, to_ty,
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// We won't show any error to the user, so we don't care what the span is here.
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DUMMY_SP,
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DUMMY_SP,
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DUMMY_SP, DUMMY_SP,
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) {
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let res = check.do_check(&fn_ctxt);
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