Auto merge of #88611 - m-ou-se:array-into-iter-new-deprecate, r=joshtriplett

Deprecate array::IntoIter::new.

src/bootstrap/lib.rs

@@ -1043,7 +1043,7 @@ impl Build {
             options[1] = Some(format!("-Clink-arg=-Wl,{}", threads));
         }
 
-        std::array::IntoIter::new(options).flatten()
+        IntoIterator::into_iter(options).flatten()
     }
 
     /// Returns if this target should statically link the C runtime, if specified

src/test/ui/proc-macro/auxiliary/custom-quote.rs

@@ -6,6 +6,7 @@
 #![crate_type = "proc-macro"]
 
 extern crate proc_macro;
+use std::iter::FromIterator;
 use std::str::FromStr;
 use proc_macro::*;
 
@@ -23,7 +24,7 @@ pub fn custom_quote(input: TokenStream) -> TokenStream {
             let set_span_method = TokenStream::from_str("ident.set_span").unwrap();
             let set_span_arg = TokenStream::from(TokenTree::Group(Group::new(Delimiter::Parenthesis, quoted_span)));
             let suffix = TokenStream::from_str(";proc_macro::TokenStream::from(proc_macro::TokenTree::Ident(ident))").unwrap();
-            let full_stream: TokenStream = std::array::IntoIter::new([prefix, set_span_method, set_span_arg, suffix]).collect();
+            let full_stream = TokenStream::from_iter([prefix, set_span_method, set_span_arg, suffix]);
             full_stream
         }
         _ => unreachable!()

src/tools/clippy/clippy_lints/src/matches.rs

@@ -13,7 +13,6 @@ use clippy_utils::{
     remove_blocks, strip_pat_refs,
 };
 use clippy_utils::{paths, search_same, SpanlessEq, SpanlessHash};
-use core::array;
 use core::iter::{once, ExactSizeIterator};
 use if_chain::if_chain;
 use rustc_ast::ast::{Attribute, LitKind};
@@ -1306,7 +1305,7 @@ fn check_match_like_matches<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>)
         return find_matches_sugg(
             cx,
             let_expr,
-            array::IntoIter::new([(&[][..], Some(let_pat), if_then, None), (&[][..], None, if_else, None)]),
+            IntoIterator::into_iter([(&[][..], Some(let_pat), if_then, None), (&[][..], None, if_else, None)]),
             expr,
             true,
         );