Start marking functions that can transitively trigger a GC (#33144)

* Mark JS reflector wrappers as CanGc.

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

* Propagate CanGc from reflect_dom_object_with_proto.

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

* Mark DOM constructors as GC operations.

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

---------

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

1 files changed, 8 insertions, 0 deletions

diff --git a/components/script/script_runtime.rs b/components/script/script_runtime.rs
index 03916b14b09..bc1f8f7e1bc 100644
--- a/components/script/script_runtime.rs
+++ b/components/script/script_runtime.rs
@@ -1119,3 +1119,11 @@ impl Runnable {
         }
     }
 }
+
+pub struct CanGc(());
+
+impl CanGc {
+    pub fn note() -> CanGc {
+        CanGc(())
+    }
+}