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constrain scope of mut ptr to please borrowck

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This commit is contained in:
Niko Matsakis 2012-06-02 20:49:05 -07:00
parent bede54b14a
commit 60913bf045
1 changed files with 1 additions and 3 deletions
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src/libstd/arc.rs
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@ -24,9 +24,7 @@ type arc_data<T: const> = {
resource arc_destruct<T: const>(data: *libc::c_void) { resource arc_destruct<T: const>(data: *libc::c_void) {
unsafe { unsafe {
let data: ~arc_data<T> = unsafe::reinterpret_cast(data); let data: ~arc_data<T> = unsafe::reinterpret_cast(data);
let ref_ptr = &mut data.count; let new_count = rustrt::rust_atomic_decrement(&mut data.count);
let new_count = rustrt::rust_atomic_decrement(ref_ptr);
assert new_count >= 0; assert new_count >= 0;
if new_count == 0 { if new_count == 0 {
// drop glue takes over. // drop glue takes over.