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Rollup merge of #108950 - cjgillot:inherit-less, r=compiler-errors

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Directly construct Inherited in typeck.

Using `InheritedBuilder` + a closure does not seem necessary any more.

+ a few opportunistic simplifications to typeck entry point.
This commit is contained in:
Matthias Krüger 2023-03-11 12:55:44 +01:00 committed by GitHub
commit 7449912989
2 changed files with 32 additions and 33 deletions
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8
clippy_lints/src/methods/unnecessary_to_owned.rs
View file

@ -369,10 +369,10 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
Node::Item(item) => {
if let ItemKind::Fn(_, _, body_id) = &item.kind
&& let output_ty = return_ty(cx, item.owner_id)
&& Inherited::build(cx.tcx, item.owner_id.def_id).enter(|inherited| {
let fn_ctxt = FnCtxt::new(inherited, cx.param_env, item.owner_id.def_id);
fn_ctxt.can_coerce(ty, output_ty)
}) {
&& let inherited = Inherited::new(cx.tcx, item.owner_id.def_id)
&& let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, item.owner_id.def_id)
&& fn_ctxt.can_coerce(ty, output_ty)
{
if has_lifetime(output_ty) && has_lifetime(ty) {
return false;
}

5
clippy_lints/src/transmute/utils.rs
View file

@ -33,8 +33,8 @@ pub(super) fn check_cast<'tcx>(
let hir_id = e.hir_id;
let local_def_id = hir_id.owner.def_id;
Inherited::build(cx.tcx, local_def_id).enter(|inherited| {
let fn_ctxt = FnCtxt::new(inherited, cx.param_env, local_def_id);
let inherited = Inherited::new(cx.tcx, local_def_id);
let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, local_def_id);
// If we already have errors, we can't be sure we can pointer cast.
assert!(
@ -66,5 +66,4 @@ pub(super) fn check_cast<'tcx>(
} else {
None
}
})
}