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

1 files changed, 5 insertions, 5 deletions

diff --git a/src/libsyntax/util/interner.rs b/src/libsyntax/util/interner.rs
index 2e8f43be120..bd9a6d7c4fe 100644
--- a/src/libsyntax/util/interner.rs
+++ b/src/libsyntax/util/interner.rs
@@ -175,34 +175,34 @@ impl Eq for RcStr {}
 
 impl Ord for RcStr {
     fn cmp(&self, other: &RcStr) -> Ordering {
-        self[].cmp(&other[])
+        self[..].cmp(&other[..])
     }
 }
 
 impl fmt::Debug for RcStr {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         use std::fmt::Debug;
-        self[].fmt(f)
+        self[..].fmt(f)
     }
 }
 
 impl fmt::Display for RcStr {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         use std::fmt::Display;
-        self[].fmt(f)
+        self[..].fmt(f)
     }
 }
 
 impl Borrow<str> for RcStr {
     fn borrow(&self) -> &str {
-        &self.string[]
+        &self.string[..]
     }
 }
 
 impl Deref for RcStr {
     type Target = str;
 
-    fn deref(&self) -> &str { &self.string[] }
+    fn deref(&self) -> &str { &self.string[..] }
 }
 
 /// A StrInterner differs from Interner<String> in that it accepts