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Clippy: backport ICE fix before beta branch #105470

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Merged
merged 1 commit into from
Dec 9, 2022
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Clippy: backport ICE fix before beta branch #105470

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6 changes: 2 additions & 4 deletions src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -386,14 +386,12 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty<
Node::Expr(parent_expr) => {
if let Some((callee_def_id, call_substs, recv, call_args)) = get_callee_substs_and_args(cx, parent_expr)
{
if Some(callee_def_id) == cx.tcx.lang_items().into_future_fn() {
return false;
}

let fn_sig = cx.tcx.fn_sig(callee_def_id).skip_binder();
if let Some(arg_index) = recv.into_iter().chain(call_args).position(|arg| arg.hir_id == expr.hir_id)
&& let Some(param_ty) = fn_sig.inputs().get(arg_index)
&& let ty::Param(ParamTy { index: param_index , ..}) = param_ty.kind()
// https://github.com/rust-lang/rust-clippy/issues/9504 and https://github.com/rust-lang/rust-clippy/issues/10021
&& (*param_index as usize) < call_substs.len()
{
if fn_sig
.inputs()
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