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Issue #2306: Add pref-gated WeakRef with safe stub when disabled

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* Add javascript.options.weakrefs and plumb it through context options, XPConnect, and workers
* Keep referents alive via strong tracing when the pref is off so deref() still returns the target
* Retain weak-edge semantics when the pref is enabled
This commit is contained in:
Basilisk-Dev
2025-12-17 16:35:41 -05:00
committed by roytam1
parent 5eab8c0aff
commit 5895253f46
7 changed files with 32 additions and 8 deletions
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dom/workers/RuntimeService.cpp
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@@ -301,6 +301,7 @@ LoadContextOptions(const char* aPrefName, void* /* aClosure */)
.setAsyncStack(GetWorkerPref<bool>(NS_LITERAL_CSTRING("asyncstack")))
.setWerror(GetWorkerPref<bool>(NS_LITERAL_CSTRING("werror")))
.setStreams(GetWorkerPref<bool>(NS_LITERAL_CSTRING("streams")))
.setWeakRefs(GetWorkerPref<bool>(NS_LITERAL_CSTRING("weakrefs")))
.setExtraWarnings(GetWorkerPref<bool>(NS_LITERAL_CSTRING("strict")))
.setArrayProtoValues(GetWorkerPref<bool>(
NS_LITERAL_CSTRING("array_prototype_values")));