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Various borrow hazard fixes (#33133)

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* Reduce the scope of the document tag map borrow.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Reduce scope of borrow when finishing a Response.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Avoid creating a File object while borrowing FormData's data.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

* Prevent the GC from seeing an uninitialized window proxy slot.

Signed-off-by: Josh Matthews <josh@joshmatthews.net>

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2024-08-20 12:06:24 -04:00 • committed by GitHub
parent c00cd1326a
commit bc5235827f
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4 changed files with 16 additions and 12 deletions
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3
components/script/dom/windowproxy.rs
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@ -644,6 +644,9 @@ impl WindowProxy {
// because we want to replace the wrapper's `ProxyTraps`, but we
// don't want to update its identity.
rooted!(in(*cx) let new_js_proxy = handler.new_window_proxy(&cx, window_jsobject));
// Explicitly set this slot to a null pointer in case a GC occurs before we
// are ready to set it to a real value.
SetProxyReservedSlot(new_js_proxy.get(), 0, &PrivateValue(ptr::null_mut()));
debug!(
"Transplanting proxy from {:p} to {:p}.",
old_js_proxy.get(),