From dd3b313b56f34e21cd79d610cdf4e501a4bb8c4e Mon Sep 17 00:00:00 2001
From: Jieyou Xu <jieyouxu@outlook.com>
Date: Thu, 5 Dec 2024 07:32:05 +0000
Subject: [PATCH] Adjust `alias-uninit-value.rs`

- Document and tidy up `alias-uninit-value.rs`
- Move `alias-uninit-value.rs` to `tests/ui/codegen/`
---
 tests/ui/alias-uninit-value.rs         | 19 -------------------
 tests/ui/codegen/alias-uninit-value.rs | 26 ++++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 19 deletions(-)
 delete mode 100644 tests/ui/alias-uninit-value.rs
 create mode 100644 tests/ui/codegen/alias-uninit-value.rs

diff --git a/tests/ui/alias-uninit-value.rs b/tests/ui/alias-uninit-value.rs
deleted file mode 100644
index 0084a98e6273..000000000000
--- a/tests/ui/alias-uninit-value.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-//@ run-pass
-
-#![allow(non_camel_case_types)]
-#![allow(dead_code)]
-
-
-
-// Regression test for issue #374
-
-
-enum sty { ty_nil, }
-
-struct RawT {struct_: sty, cname: Option<String>, hash: usize}
-
-fn mk_raw_ty(st: sty, cname: Option<String>) -> RawT {
-    return RawT {struct_: st, cname: cname, hash: 0};
-}
-
-pub fn main() { mk_raw_ty(sty::ty_nil, None::<String>); }
diff --git a/tests/ui/codegen/alias-uninit-value.rs b/tests/ui/codegen/alias-uninit-value.rs
new file mode 100644
index 000000000000..a8aa94caaf28
--- /dev/null
+++ b/tests/ui/codegen/alias-uninit-value.rs
@@ -0,0 +1,26 @@
+//! Regression test for issue #374, where previously rustc performed conditional jumps or moves that
+//! incorrectly depended on uninitialized values.
+//!
+//! Issue: <https://github.com/rust-lang/rust/issues/374>.
+
+//@ run-pass
+
+#![allow(dead_code)]
+
+enum TyS {
+    Nil,
+}
+
+struct RawT {
+    struct_: TyS,
+    cname: Option<String>,
+    hash: usize,
+}
+
+fn mk_raw_ty(st: TyS, cname: Option<String>) -> RawT {
+    return RawT { struct_: st, cname: cname, hash: 0 };
+}
+
+pub fn main() {
+    mk_raw_ty(TyS::Nil, None::<String>);
+}