rollup merge of #22502: nikomatsakis/deprecate-bracket-bracket

Conflicts:
	src/libcollections/slice.rs
	src/libcollections/str.rs
	src/librustc/middle/lang_items.rs
	src/librustc_back/rpath.rs
	src/librustc_typeck/check/regionck.rs
	src/libstd/ffi/os_str.rs
	src/libsyntax/diagnostic.rs
	src/libsyntax/parse/parser.rs
	src/libsyntax/util/interner.rs
	src/test/run-pass/regions-refcell.rs

3 files changed, 8 insertions, 8 deletions

diff --git a/src/libstd/sys/windows/mod.rs b/src/libstd/sys/windows/mod.rs
index 4d6d033deee..a756fb29f81 100644
--- a/src/libstd/sys/windows/mod.rs
+++ b/src/libstd/sys/windows/mod.rs
@@ -265,12 +265,12 @@ fn fill_utf16_buf_base<F1, F2, T>(mut f1: F1, f2: F2) -> Result<T, ()>
         let mut n = stack_buf.len();
         loop {
             let buf = if n <= stack_buf.len() {
-                &mut stack_buf[]
+                &mut stack_buf[..]
             } else {
                 let extra = n - heap_buf.len();
                 heap_buf.reserve(extra);
                 heap_buf.set_len(n);
-                &mut heap_buf[]
+                &mut heap_buf[..]
             };
 
             // This function is typically called on windows API functions which
diff --git a/src/libstd/sys/windows/os.rs b/src/libstd/sys/windows/os.rs
index 502d70d4e1a..6520d30487c 100644
--- a/src/libstd/sys/windows/os.rs
+++ b/src/libstd/sys/windows/os.rs
@@ -114,7 +114,7 @@ impl Iterator for Env {
 
             let (k, v) = match s.iter().position(|&b| b == '=' as u16) {
                 Some(n) => (&s[..n], &s[n+1..]),
-                None => (s, &[][]),
+                None => (s, &[][..]),
             };
             Some((OsStringExt::from_wide(k), OsStringExt::from_wide(v)))
         }
@@ -186,7 +186,7 @@ impl<'a> Iterator for SplitPaths<'a> {
         if !must_yield && in_progress.is_empty() {
             None
         } else {
-            Some(super::os2path(&in_progress[]))
+            Some(super::os2path(&in_progress[..]))
         }
     }
 }
@@ -208,14 +208,14 @@ pub fn join_paths<I, T>(paths: I) -> Result<OsString, JoinPathsError>
             return Err(JoinPathsError)
         } else if v.contains(&sep) {
             joined.push(b'"' as u16);
-            joined.push_all(&v[]);
+            joined.push_all(&v[..]);
             joined.push(b'"' as u16);
         } else {
-            joined.push_all(&v[]);
+            joined.push_all(&v[..]);
         }
     }
 
-    Ok(OsStringExt::from_wide(&joined[]))
+    Ok(OsStringExt::from_wide(&joined[..]))
 }
 
 impl fmt::Display for JoinPathsError {
diff --git a/src/libstd/sys/windows/process2.rs b/src/libstd/sys/windows/process2.rs
index 19e38196d19..4e36ed2f17f 100644
--- a/src/libstd/sys/windows/process2.rs
+++ b/src/libstd/sys/windows/process2.rs
@@ -472,7 +472,7 @@ mod tests {
             "echo \"a b c\""
         );
         assert_eq!(
-            test_wrapper("\u{03c0}\u{042f}\u{97f3}\u{00e6}\u{221e}", &[]),
+            test_wrapper("\u{03c0}\u{042f}\u{97f3}\u{00e6}\u{221e}", &[..]),
             "\u{03c0}\u{042f}\u{97f3}\u{00e6}\u{221e}"
         );
     }