Fix empty_write since rust version attribute

SUPERCILEX · SUPERCILEX · commit 0b4a80f41710 · 2023-07-30T22:53:32.000+01:00
diff --git a/library/std/src/io/util.rs b/library/std/src/io/util.rs
@@ -100,7 +100,7 @@ impl SizeHint for Empty {
     }
 }
 
-#[stable(feature = "empty_write", since = "1.64.0")]
+#[stable(feature = "empty_write", since = "CURRENT_RUSTC_VERSION")]
 impl Write for Empty {
     #[inline]
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
@@ -124,7 +124,7 @@ impl Write for Empty {
     }
 }
 
-#[stable(feature = "empty_write", since = "1.64.0")]
+#[stable(feature = "empty_write", since = "CURRENT_RUSTC_VERSION")]
 impl Write for &Empty {
     #[inline]
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ impl SizeHint for Empty {`
`100`	`100`	`}`
`101`	`101`	`}`
`102`	`102`
`103`		`-#[stable(feature = "empty_write", since = "1.64.0")]`
	`103`	`+#[stable(feature = "empty_write", since = "CURRENT_RUSTC_VERSION")]`
`104`	`104`	`impl Write for Empty {`
`105`	`105`	`#[inline]`
`106`	`106`	`fn write(&mut self, buf: &[u8]) -> io::Result<usize> {`
`@@ -124,7 +124,7 @@ impl Write for Empty {`
`124`	`124`	`}`
`125`	`125`	`}`
`126`	`126`
`127`		`-#[stable(feature = "empty_write", since = "1.64.0")]`
	`127`	`+#[stable(feature = "empty_write", since = "CURRENT_RUSTC_VERSION")]`
`128`	`128`	`impl Write for &Empty {`
`129`	`129`	`#[inline]`
`130`	`130`	`fn write(&mut self, buf: &[u8]) -> io::Result<usize> {`