librustc: Forbid `..` in range patterns.

This breaks code that looks like:

    match foo {
        1..3 => { ... }
    }

Instead, write:

    match foo {
        1...3 => { ... }
    }

Closes #17295.

[breaking-change]

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libnative/io/tty_windows.rs b/src/libnative/io/tty_windows.rs
index 7263036e165..1c3904a8943 100644
--- a/src/libnative/io/tty_windows.rs
+++ b/src/libnative/io/tty_windows.rs
@@ -67,7 +67,7 @@ impl WindowsTTY {
         // If the file descriptor is one of stdin, stderr, or stdout
         // then it should not be closed by us
         let closeme = match fd {
-            0..2 => false,
+            0...2 => false,
             _ => true,
         };
         let handle = unsafe { get_osfhandle(fd) as HANDLE };