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remove various things now that Rust 1.17 is required

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std::ptr::eq and Arc::ptr_eq are now usuable, and we can replace a
panic!() with abort().
This commit is contained in:
Nathan Froyd 2017-06-23 09:50:56 -04:00
parent 567f5e8985
commit 096cee8ebc
6 changed files with 7 additions and 26 deletions
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9
components/servo_arc/lib.rs
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@ -39,6 +39,7 @@ use std::hash::{Hash, Hasher};
use std::iter::{ExactSizeIterator, Iterator};
use std::mem;
use std::ops::{Deref, DerefMut};
use std::process;
use std::ptr;
use std::slice;
use std::sync::atomic;
@ -247,13 +248,7 @@ impl<T: ?Sized> Clone for Arc<T> {
// We abort because such a program is incredibly degenerate, and we
// don't care to support it.
if old_size > MAX_REFCOUNT {
// Note: std::process::abort is stable in 1.17, which we don't yet
// require for Gecko. Panic is good enough in practice here (it will
// trigger an abort at least in Gecko, and this case is degenerate
// enough that Servo shouldn't have code that triggers it).
//
// We should fix this when we require 1.17.
panic!();
process::abort();
}
Arc { p: NonZeroPtrMut::new(self.ptr()) }