Open
Bug 1516775
Opened 6 years ago
Updated 2 years ago
Optimize lookups on cross-realm WindowProxies
Categories
(Core :: JavaScript Engine: JIT, enhancement, P2)
Core
JavaScript Engine: JIT
Tracking
()
NEW
| Tracking | Status | |
|---|---|---|
| firefox66 | --- | fix-optional |
People
(Reporter: jandem, Unassigned)
References
(Depends on 1 open bug)
Details
Initially we will only optimize lookups on the WindowProxy for the current global (bug 1467124), but later the IC optimizations for WindowProxy could also be used for other windows in the compartment. When we do this we will need to guard on something like "did the window mutate document.domain" because that will affect behavior of the WindowProxy after bug 1363208. We have a flag like that on xpc's CompartmentPrivate but we could add something on JS::Realm - this may also let us move the document.domain info out of ContentPrincipal, bholley is interested in that.
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Updated•6 years ago
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status-firefox66:
--- → fix-optional
Priority: -- → P2
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Updated•2 years ago
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Severity: normal → S3
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Description
•