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LibJS: Do not invoke Cell::vm in constructors before Cell is constructed

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In a subclass of Cell, we cannot use Cell::vm() before the base Cell
object itself is constructed. Use the Realm's VM instead.

This was caught by UBSAN with vptr sanitation enabled.
This commit is contained in:
Timothy Flynn 2022-09-14 19:10:27 -04:00 • committed by Andreas Kling
parent 3efe611dbf
commit 85e313077a
46 changed files with 97 additions and 97 deletions
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Userland/Libraries/LibJS/Runtime/Temporal/TimeZoneConstructor.cpp
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@ -12,7 +12,7 @@ namespace JS::Temporal {
// 11.2 The Temporal.TimeZone Constructor, https://tc39.es/proposal-temporal/#sec-temporal-timezone-constructor
TimeZoneConstructor::TimeZoneConstructor(Realm& realm)
: NativeFunction(vm().names.TimeZone.as_string(), *realm.intrinsics().function_prototype())
: NativeFunction(realm.vm().names.TimeZone.as_string(), *realm.intrinsics().function_prototype())
{
}