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Fix crash when enumerating properties of global object (#36491)

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These changes make our implementation of the enumeration hook for
globals [match
Gecko's](https://searchfox.org/mozilla-central/rev/1f65969e57c757146e3e548614b49d3a4168eeb8/dom/base/nsGlobalWindowInner.cpp#3297),
fixing an assertion failure that occurred in the previous
implementation.

Our enumeration hook is supposed to fill a vector with names of
properties on the global object without modifying the global in any way;
instead we were defining all of the missing webidl interfaces. We now do
much less work and crash less.

Testing: New crashtest based on manual testcase.
Fixes: #34686

---------

Signed-off-by: Josh Matthews <josh@joshmatthews.net>
This commit is contained in:
Josh Matthews 2025-04-16 23:32:53 -04:00 • committed by GitHub
parent a1b9949f75
commit 30390f8c5e
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9 changed files with 98 additions and 34 deletions
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9
tests/wpt/mozilla/meta/MANIFEST.json vendored
View file

@ -16,6 +16,13 @@
{}
]
],
"global-enumerate-crash.html": [
"a77e79b1465bf7555340dd5e9bf94a4c8caa85f2",
[
null,
{}
]
],
"iframe_focus-crash.html": [
"f991b1a563f3cc44870640ab194708fa239ad89d",
[
@ -13517,7 +13524,7 @@
]
],
"interfaces.worker.js": [
"8d109502622fac7266a4564de09684a3ab94118c",
"8af942c0f99218fb39770cdcf299eaa230339010",
[
"mozilla/interfaces.worker.html",
{}