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RootCollection doesn't check if its SmallVec has spilled #5037

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Guro Bokum 2015-03-06 00:17:37 +07:00
parent 5f439e7eaa
commit 8de3c01fe4
1 changed files with 4 additions and 3 deletions
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7
components/script/dom/bindings/js.rs
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@ -57,7 +57,7 @@ use js::jsval::JSVal;
use layout_interface::TrustedNodeAddress;
use script_task::STACK_ROOTS;
use util::smallvec::{SmallVec, SmallVec16};
use util::smallvec::{SmallVec, SmallVec24};
use core::nonzero::NonZero;
use std::cell::{Cell, UnsafeCell};
@ -604,7 +604,7 @@ impl<T: Assignable<U>, U: Reflectable> TemporaryPushable<T> for Vec<JS<U>> {
/// See also [*Exact Stack Rooting - Storing a GCPointer on the CStack*]
/// (https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Internals/GC/Exact_Stack_Rooting).
pub struct RootCollection {
roots: UnsafeCell<SmallVec16<*mut JSObject>>,
roots: UnsafeCell<SmallVec24<*mut JSObject>>,
}
/// A pointer to a RootCollection, for use in global variables.
@ -616,7 +616,7 @@ impl RootCollection {
/// Create an empty collection of roots
pub fn new() -> RootCollection {
RootCollection {
roots: UnsafeCell::new(SmallVec16::new()),
roots: UnsafeCell::new(SmallVec24::new()),
}
}
@ -626,6 +626,7 @@ impl RootCollection {
let roots = self.roots.get();
(*roots).push(untracked.js_ptr);
debug!(" rooting {:?}", untracked.js_ptr);
assert!(!(*roots).spilled());
}
}