Rollup merge of rust-lang#145464 - Kivooeo:stabilize-const_pathbuf_osstring_new, r=ibraheemdev

jieyouxu · web-flow · commit 262db59ec28b · 2025-08-19T19:45:32.000+08:00
Stabilize `const_pathbuf_osstring_new` feature This closes [tracking issue](rust-lang#141520) and stabilises `{OsString, PathBuf}::new` in const
diff --git a/std/src/ffi/os_str.rs b/std/src/ffi/os_str.rs
@@ -137,7 +137,7 @@ impl OsString {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[must_use]
     #[inline]
-    #[rustc_const_unstable(feature = "const_pathbuf_osstring_new", issue = "141520")]
+    #[rustc_const_stable(feature = "const_pathbuf_osstring_new", since = "CURRENT_RUSTC_VERSION")]
     pub const fn new() -> OsString {
         OsString { inner: Buf::from_string(String::new()) }
     }
diff --git a/std/src/path.rs b/std/src/path.rs
@@ -1191,7 +1191,7 @@ impl PathBuf {
     #[stable(feature = "rust1", since = "1.0.0")]
     #[must_use]
     #[inline]
-    #[rustc_const_unstable(feature = "const_pathbuf_osstring_new", issue = "141520")]
+    #[rustc_const_stable(feature = "const_pathbuf_osstring_new", since = "CURRENT_RUSTC_VERSION")]
     pub const fn new() -> PathBuf {
         PathBuf { inner: OsString::new() }
     }

Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,7 @@ impl OsString {`
`137`	`137`	`#[stable(feature = "rust1", since = "1.0.0")]`
`138`	`138`	`#[must_use]`
`139`	`139`	`#[inline]`
`140`		`- #[rustc_const_unstable(feature = "const_pathbuf_osstring_new", issue = "141520")]`
	`140`	`+ #[rustc_const_stable(feature = "const_pathbuf_osstring_new", since = "CURRENT_RUSTC_VERSION")]`
`141`	`141`	`pub const fn new() -> OsString {`
`142`	`142`	`OsString { inner: Buf::from_string(String::new()) }`
`143`	`143`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1191,7 +1191,7 @@ impl PathBuf {`
`1191`	`1191`	`#[stable(feature = "rust1", since = "1.0.0")]`
`1192`	`1192`	`#[must_use]`
`1193`	`1193`	`#[inline]`
`1194`		`- #[rustc_const_unstable(feature = "const_pathbuf_osstring_new", issue = "141520")]`
	`1194`	`+ #[rustc_const_stable(feature = "const_pathbuf_osstring_new", since = "CURRENT_RUSTC_VERSION")]`
`1195`	`1195`	`pub const fn new() -> PathBuf {`
`1196`	`1196`	`PathBuf { inner: OsString::new() }`
`1197`	`1197`	`}`