librustc: Remove the fallback to `int` from typechecking.

This breaks a fair amount of code. The typical patterns are:

* `for _ in range(0, 10)`: change to `for _ in range(0u, 10)`;

* `println!("{}", 3)`: change to `println!("{}", 3i)`;

* `[1, 2, 3].len()`: change to `[1i, 2, 3].len()`.

RFC #30. Closes #6023.

[breaking-change]

2 files changed, 2 insertions, 2 deletions

diff --git a/src/libnative/io/c_unix.rs b/src/libnative/io/c_unix.rs
index 7a52c048498..b1bc36e0b05 100644
--- a/src/libnative/io/c_unix.rs
+++ b/src/libnative/io/c_unix.rs
@@ -93,7 +93,7 @@ mod select {
     }
 
     pub fn fd_set(set: &mut fd_set, fd: i32) {
-        set.fds_bits[(fd / 32) as uint] |= 1 << (fd % 32);
+        set.fds_bits[(fd / 32) as uint] |= 1 << ((fd % 32) as uint);
     }
 }
 
diff --git a/src/libnative/task.rs b/src/libnative/task.rs
index 88e581a4791..8b7c8e61bc3 100644
--- a/src/libnative/task.rs
+++ b/src/libnative/task.rs
@@ -328,7 +328,7 @@ mod tests {
     fn yield_test() {
         let (tx, rx) = channel();
         spawn(proc() {
-            for _ in range(0, 10) { task::deschedule(); }
+            for _ in range(0u, 10) { task::deschedule(); }
             tx.send(());
         });
         rx.recv();