Don't override is_write_vectored.

reitermarkus · reitermarkus · commit d4c0af62e54c · 2020-06-15T13:24:58.000+02:00
diff --git a/src/libstd/sys/unix/stdio.rs b/src/libstd/sys/unix/stdio.rs
@@ -40,6 +40,7 @@ impl io::Read for Stdin {
         ManuallyDrop::new(FileDesc::new(libc::STDIN_FILENO)).read_vectored(bufs)
     }
 
+    #[cfg(not(target_arch = "xtensa"))]
     #[inline]
     fn is_read_vectored(&self) -> bool {
         true
@@ -68,6 +69,7 @@ impl io::Write for Stdout {
         ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write_vectored(bufs)
     }
 
+    #[cfg(not(target_arch = "xtensa"))]
     #[inline]
     fn is_write_vectored(&self) -> bool {
         true

Original file line number	Diff line number	Diff line change
`@@ -40,6 +40,7 @@ impl io::Read for Stdin {`
`40`	`40`	`ManuallyDrop::new(FileDesc::new(libc::STDIN_FILENO)).read_vectored(bufs)`
`41`	`41`	`}`
`42`	`42`
	`43`	`+ #[cfg(not(target_arch = "xtensa"))]`
`43`	`44`	`#[inline]`
`44`	`45`	`fn is_read_vectored(&self) -> bool {`
`45`	`46`	`true`
`@@ -68,6 +69,7 @@ impl io::Write for Stdout {`
`68`	`69`	`ManuallyDrop::new(FileDesc::new(libc::STDOUT_FILENO)).write_vectored(bufs)`
`69`	`70`	`}`
`70`	`71`
	`72`	`+ #[cfg(not(target_arch = "xtensa"))]`
`71`	`73`	`#[inline]`
`72`	`74`	`fn is_write_vectored(&self) -> bool {`
`73`	`75`	`true`