From 1abb93608f2275cecf9bd7a8c83f46cc74f11e3a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=AE=B8=E6=9D=B0=E5=8F=8B=20Jieyou=20Xu=20=28Joe=29?=
 <39484203+jieyouxu@users.noreply.github.com>
Date: Thu, 23 Jan 2025 16:22:54 +0800
Subject: [PATCH] tests: cleanup `tests/ui/process/issue-13304.rs`

- Remove unnecessary `mut`, remove `#[allow(unused_mut)]`.
- Replace `ignore-*` with `needs-subprocess`.
---
 tests/ui/process/issue-13304.rs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/tests/ui/process/issue-13304.rs b/tests/ui/process/issue-13304.rs
index 6dbf0caaaec..621c54300d3 100644
--- a/tests/ui/process/issue-13304.rs
+++ b/tests/ui/process/issue-13304.rs
@@ -1,7 +1,5 @@
 //@ run-pass
-#![allow(unused_mut)]
-//@ ignore-wasm32 no processes
-//@ ignore-sgx no processes
+//@ needs-subprocess
 
 use std::env;
 use std::io::prelude::*;
@@ -32,7 +30,7 @@ fn parent() {
 }
 
 fn child() {
-    let mut stdin = io::stdin();
+    let stdin = io::stdin();
     for line in stdin.lock().lines() {
         println!("{}", line.unwrap());
     }