branch 1.78: replace-version-placeholder

Author: Mark-Simulacrum

std/src/io/error.rs

@@ -83,7 +83,7 @@ impl From<alloc::ffi::NulError> for Error {
     }
 }
 
-#[stable(feature = "io_error_from_try_reserve", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "io_error_from_try_reserve", since = "1.78.0")]
 impl From<alloc::collections::TryReserveError> for Error {
     /// Converts `TryReserveError` to an error with [`ErrorKind::OutOfMemory`].
     ///

std/src/io/stdio.rs

@@ -453,7 +453,7 @@ impl Read for Stdin {
     }
 }
 
-#[stable(feature = "read_shared_stdin", since = "CURRENT_RUSTC_VERSION")]
+#[stable(feature = "read_shared_stdin", since = "1.78.0")]
 impl Read for &Stdin {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         self.lock().read(buf)

std/src/sync/barrier.rs

@@ -81,7 +81,7 @@ impl Barrier {
     /// let barrier = Barrier::new(10);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    #[rustc_const_stable(feature = "const_barrier", since = "CURRENT_RUSTC_VERSION")]
+    #[rustc_const_stable(feature = "const_barrier", since = "1.78.0")]
     #[must_use]
     #[inline]
     pub const fn new(n: usize) -> Barrier {