rustc: Obsolete the `@` syntax entirely

This removes all remnants of `@` pointers from rustc. Additionally, this removes
the `GC` structure from the prelude as it seems odd exporting an experimental
type in the prelude by default.

Closes #14193
[breaking-change]

1 files changed, 4 insertions, 3 deletions

diff --git a/src/test/auxiliary/cci_nested_lib.rs b/src/test/auxiliary/cci_nested_lib.rs
index e66e89f3480..58c58ef3aeb 100644
--- a/src/test/auxiliary/cci_nested_lib.rs
+++ b/src/test/auxiliary/cci_nested_lib.rs
@@ -11,6 +11,7 @@
 #![feature(managed_boxes)]
 
 use std::cell::RefCell;
+use std::gc::{Gc, GC};
 
 pub struct Entry<A,B> {
     key: A,
@@ -19,7 +20,7 @@ pub struct Entry<A,B> {
 
 pub struct alist<A,B> {
     eq_fn: extern "Rust" fn(A,A) -> bool,
-    data: @RefCell<Vec<Entry<A,B>> >,
+    data: Gc<RefCell<Vec<Entry<A,B>>>>,
 }
 
 pub fn alist_add<A:'static,B:'static>(lst: &alist<A,B>, k: A, v: B) {
@@ -47,7 +48,7 @@ pub fn new_int_alist<B:'static>() -> alist<int, B> {
     fn eq_int(a: int, b: int) -> bool { a == b }
     return alist {
         eq_fn: eq_int,
-        data: @RefCell::new(Vec::new()),
+        data: box(GC) RefCell::new(Vec::new()),
     };
 }
 
@@ -57,6 +58,6 @@ pub fn new_int_alist_2<B:'static>() -> alist<int, B> {
     fn eq_int(a: int, b: int) -> bool { a == b }
     return alist {
         eq_fn: eq_int,
-        data: @RefCell::new(Vec::new()),
+        data: box(GC) RefCell::new(Vec::new()),
     };
 }