auto merge of #10032 : thestinger/rust/snapshot, r=huonw

src/test/auxiliary/cci_nested_lib.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 pub struct Entry<A,B> {
     key: A,
     value: B

src/test/auxiliary/crate-method-reexport-grrrrrrr2.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
 #[link(name = "crate_method_reexport_grrrrrrr2")];
 
 pub use name_pool::add;

src/test/auxiliary/issue-2380.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
 #[link(name = "a", vers = "0.0")];
 #[crate_type = "lib"];
 

src/test/auxiliary/issue-2631-a.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
 #[link(name = "req")];
 #[crate_type = "lib"];
 

src/test/bench/shootout-fasta.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
+#[feature(managed_boxes)];
 
 /* -*- mode: rust; indent-tabs-mode: nil -*-
  * Implementation of 'fasta' benchmark from

src/test/bench/sudoku.rs

@@ -10,6 +10,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 extern mod extra;
 
 use std::io::{ReaderUtil, WriterUtil};

src/test/bench/task-perf-alloc-unwind.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 extern mod extra;
 
 use extra::list::{List, Cons, Nil};

src/test/compile-fail/autoderef-full-lval.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct clam {
     x: @int,
     y: @int,

src/test/compile-fail/borrowck-assign-to-subfield.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn main() {
     struct A {
         a: int,

src/test/compile-fail/borrowck-mut-deref-comp.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct foo(~int);
 
 fn borrow(x: @mut foo) {

src/test/compile-fail/borrowck-object-lifetime.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait Foo {
     fn borrowed<'a>(&'a self) -> &'a ();
 }

src/test/compile-fail/borrowck-object-mutability.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait Foo {
     fn borrowed(&self);
     fn borrowed_mut(&mut self);

src/test/compile-fail/box-static-bound.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 fn f<T>(x: T) -> @T {
     @x  //~ ERROR value may contain borrowed pointers
 }

src/test/compile-fail/cast-immutable-mutable-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait T {
     fn foo(@mut self);
 }

src/test/compile-fail/class-cast-to-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait noisy {
   fn speak(&self);
 }

src/test/compile-fail/drop-on-non-struct.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 type Foo = @[u8];
 
 impl Drop for Foo {   //~ ERROR the Drop trait may only be implemented

src/test/compile-fail/estr-subtyping.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn wants_box(x: @str) { }
 fn wants_uniq(x: ~str) { }
 fn wants_slice(x: &str) { }

src/test/compile-fail/evec-subtyping.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn wants_box(x: @[uint]) { }
 fn wants_uniq(x: ~[uint]) { }
 fn wants_three(x: [uint, ..3]) { }

src/test/compile-fail/fn-variance-1.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn takes_mut(x: @mut int) { }
 fn takes_imm(x: @int) { }
 

src/test/compile-fail/issue-2063-resource.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // test that autoderef of a type like this does not
 // cause compiler to loop.  Note that no instances
 // of such a type could ever be constructed.

src/test/compile-fail/issue-2548.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // A test case for #2548.
 
 struct foo {

src/test/compile-fail/issue-3668.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct P { child: Option<@mut P> }
 trait PTrait {
    fn getChildOption(&self) -> Option<@P>;

src/test/compile-fail/issue-5153.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern: type `@Foo:'static` does not implement any method in scope named `foo`
 
 trait Foo {

src/test/compile-fail/kindck-destructor-owned.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 struct Foo {
     f: @mut int,
 }

src/test/compile-fail/kindck-nonsendable-1.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn foo(_x: @uint) {}
 
 fn main() {

src/test/compile-fail/kindck-owned-trait-contains.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait repeat<A> { fn get(&self) -> A; }
 
 impl<A:Clone> repeat<A> for @A {

src/test/compile-fail/kindck-owned-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait foo { fn foo(&self); }
 
 fn to_foo<T:Clone + foo>(t: T) -> @foo {

src/test/compile-fail/lint-heap-memory.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
 #[forbid(heap_memory)];
 
 struct Foo {

src/test/compile-fail/lint-managed-heap-memory.rs

@@ -8,6 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
 #[forbid(managed_heap_memory)];
 
 struct Foo {

src/test/compile-fail/lub-in-args.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn two_args<T>(x: T, y: T) { }
 
 fn main() {

src/test/compile-fail/map-types.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 use std::container::Map;
 use std::hashmap::HashMap;
 

src/test/compile-fail/no-send-res-ports.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 use std::cell::Cell;
 use std::task;
 

src/test/compile-fail/object-does-not-impl-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // Test that an object type `@Foo` is not considered to implement the
 // trait `Foo`. Issue #5087.
 

src/test/compile-fail/object-pointer-types.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait Foo {
     fn borrowed(&self);
     fn borrowed_mut(&mut self);

src/test/compile-fail/pinned-deep-copy.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct r {
   i: @mut int,
 }

src/test/compile-fail/regions-infer-borrow-scope-too-big.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct point {
     x: int,
     y: int,

src/test/compile-fail/regions-infer-borrow-scope-within-loop.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn borrow<'r, T>(x: &'r T) -> &'r T {x}
 
 fn foo(cond: &fn() -> bool, box: &fn() -> @int) {

src/test/compile-fail/regions-infer-invariance-due-to-mutability-1.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct invariant<'self> {
     f: @mut &'self int
 }

src/test/compile-fail/regions-infer-invariance-due-to-mutability-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct invariant<'self> {
     f: @mut [&'self int]
 }

src/test/compile-fail/regions-infer-invariance-due-to-mutability-3.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct invariant<'self> {
     f: &'static fn(x: @mut &'self int)
 }

src/test/compile-fail/regions-infer-invariance-due-to-mutability-4.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct invariant<'self> {
     f: &'static fn() -> @mut &'self int
 }

src/test/compile-fail/regions-infer-invariance-due-to-mutability.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct invariant<'self> {
     f: @mut &'self int
 }

src/test/compile-fail/regions-infer-paramd-indirect.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // Check that we correctly infer that b and c must be region
 // parameterized because they reference a which requires a region.
 

src/test/compile-fail/regions-trait-1.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct ctxt { v: uint }
 
 trait get_ctxt {

src/test/compile-fail/selftype-traittype.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait add {
     fn plus(&self, x: Self) -> Self;
 }

src/test/compile-fail/terr-sorts.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct foo {
     a: int,
     b: int,

src/test/compile-fail/trait-bounds-sugar.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // Tests for "default" bounds inferred for traits with no bounds list.
 
 trait Foo {

src/test/compile-fail/trait-impl-method-mismatch.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait Mumbo {
     fn jumbo(&self, x: @uint) -> uint;
 }

src/test/compile-fail/trait-test-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait bar { fn dup(&self) -> Self; fn blah<X>(&self); }
 impl bar for int { fn dup(&self) -> int { *self } fn blah<X>(&self) {} }
 impl bar for uint { fn dup(&self) -> uint { *self } fn blah<X>(&self) {} }

src/test/compile-fail/unique-vec-res.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct r {
   i: @mut int,
 }

src/test/compile-fail/unreachable-arm.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:unreachable pattern
 
 enum foo { a(@foo, int), b(uint), }

src/test/compile-fail/unsendable-class.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // Test that a class with an unsendable field can't be
 // sent
 

src/test/debug-info/borrowed-managed-basic.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // Gdb doesn't know about UTF-32 character encoding and will print a rust char as only
 // its numerical value.
 

src/test/debug-info/borrowed-tuple.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:rbreak zzz
 // debugger:run

src/test/debug-info/boxed-vec.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:rbreak zzz
 // debugger:run

src/test/debug-info/by-value-self-argument-in-trait-impl.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:rbreak zzz
 // debugger:run

src/test/debug-info/destructured-fn-argument.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:rbreak zzz
 // debugger:run

src/test/debug-info/managed-pointer-within-unique-vec.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:rbreak zzz
 // debugger:run

src/test/debug-info/managed-pointer-within-unique.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:set print pretty off
 // debugger:rbreak zzz

src/test/debug-info/recursive-struct.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:set print pretty off
 // debugger:rbreak zzz

src/test/debug-info/trait-pointers.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // compile-flags:-Z extra-debug-info
 // debugger:run
 

src/test/run-fail/args-fail.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:meep
 fn f(_a: int, _b: int, _c: @int) { fail!("moop"); }
 

src/test/run-fail/borrowck-wg-fail-object-arg.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 // error-pattern:borrowed
 
 trait Foo {

src/test/run-fail/borrowck-wg-fail-object.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 // error-pattern:borrowed
 
 trait Foo {

src/test/run-fail/borrowck-wg-fail.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 // error-pattern:borrowed
 
 // Test that write guards trigger when mut box is frozen

src/test/run-fail/borrowck-wg-imm-then-mut.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 // error-pattern:borrowed
 
 // Test that if you imm borrow then mut borrow it fails.

src/test/run-fail/borrowck-wg-mut-then-imm.rs

@@ -1,3 +1,5 @@
+#[feature(managed_boxes)];
+
 // error-pattern:borrowed
 
 // Test that if you mut borrow then imm borrow it fails.

src/test/run-fail/issue-2272.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:explicit failure
 // Issue #2272 - unwind this without leaking the unique pointer
 

src/test/run-fail/unwind-box-fn-unique.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn failfn() {

src/test/run-fail/unwind-box-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn failfn() {

src/test/run-fail/unwind-initializer-indirect.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn f() -> @int { fail!(); }

src/test/run-fail/unwind-initializer.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn main() {

src/test/run-fail/unwind-lambda.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn main() {

src/test/run-fail/unwind-move.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 fn f(_a: @int) {
     fail!();

src/test/run-fail/unwind-resource-fail.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:squirrel
 
 struct r {

src/test/run-fail/unwind-resource-fail3.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:quux
 
 struct faily_box {

src/test/run-fail/unwind-tup.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn fold_local() -> @~[int]{

src/test/run-fail/unwind-tup2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // error-pattern:fail
 
 fn fold_local() -> @~[int]{

src/test/run-pass/alignment-gep-tup-like-1.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct pair<A,B> {
     a: A, b: B
 }

src/test/run-pass/alignment-gep-tup-like-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct Pair<A,B> {
     a: A, b: B
 }

src/test/run-pass/autoderef-method-on-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait double {
     fn double(@self) -> uint;
 }

src/test/run-pass/autoderef-method-priority.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait double {
     fn double(self) -> uint;
 }

src/test/run-pass/autoderef-method-twice-but-not-thrice.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait double {
     fn double(@self) -> uint;
 }

src/test/run-pass/autoref-intermediate-types-issue-3585.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait Foo {
     fn foo(&self) -> ~str;
 }

src/test/run-pass/borrowck-borrow-from-expr-block.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 use std::borrow;
 use std::ptr;
 

src/test/run-pass/borrowck-preserve-box-in-arm-not-taken.rs

@@ -10,6 +10,8 @@
 
 // exec-env:RUST_POISON_ON_FREE=1
 
+#[feature(managed_boxes)];
+
 pub fn main() {
     let x: @mut @Option<~int> = @mut @None;
     match x {

src/test/run-pass/borrowck-preserve-box-sometimes-needed.rs

@@ -10,6 +10,8 @@
 
 // exec-env:RUST_POISON_ON_FREE=1
 
+#[feature(managed_boxes)];
+
 fn switcher(x: Option<@int>) {
     let mut x = x;
     match x {

src/test/run-pass/borrowck-root-while-cond-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct F { f: @G }
 struct G { g: ~[int] }
 

src/test/run-pass/borrowck-root-while-cond.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 fn borrow<'r,T>(x: &'r T) -> &'r T {x}
 
 struct Rec { f: @int }

src/test/run-pass/box-in-tup.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 pub fn main() {
     let i: (@int, int) = (@10, 10);
     let (_a, _) = i;

src/test/run-pass/box-inside-if.rs

@@ -8,9 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
-
-// -*- rust -*-
+#[feature(managed_boxes)];
 
 fn some_box(x: int) -> @int { return @x; }
 

src/test/run-pass/box-inside-if2.rs

@@ -8,9 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
-
-// -*- rust -*-
+#[feature(managed_boxes)];
 
 fn some_box(x: int) -> @int { return @x; }
 

src/test/run-pass/box-pattern.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 struct Foo {a: int, b: uint}
 enum bar { u(@Foo), w(int), }
 

src/test/run-pass/box-unbox.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
+#[feature(managed_boxes)];
 
 struct Box<T> {c: @T}
 

src/test/run-pass/box.rs

@@ -8,6 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-
+#[feature(managed_boxes)];
 
 pub fn main() { let x: @int = @10; assert!((*x == 10)); }

src/test/run-pass/boxed-class-type-substitution.rs

@@ -11,6 +11,8 @@
 // Regression test that rustc doesn't recurse infinitely substituting
 // the boxed type parameter
 
+#[feature(managed_boxes)];
+
 struct Tree<T> {
     parent: Option<T>
 }

src/test/run-pass/boxed-trait-with-vstore.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait Foo {
     fn foo(@self);
 }

src/test/run-pass/cast-mutable-trait.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 trait T {
     fn foo(@mut self);
 }

src/test/run-pass/cci_nested_exe.rs

@@ -11,7 +11,7 @@
 // xfail-fast - check-fast doesn't understand aux-build
 // aux-build:cci_nested_lib.rs
 
-#[feature(globs)];
+#[feature(globs, managed_boxes)];
 
 extern mod cci_nested_lib;
 use cci_nested_lib::*;

src/test/run-pass/class-cast-to-trait-cross-crate-2.rs

@@ -8,6 +8,8 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
+#[feature(managed_boxes)];
+
 // xfail-fast
 // aux-build:cci_class_cast.rs
 extern mod cci_class_cast;