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Bug
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Resolution: Duplicate
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P3
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None
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13
Since Shenandoah switched to LRB and strong to-space invariant, it is expected to store only to-space oops.
Ideally, it is enforced by LRB to ensure that only to-space oops in system. Unfortunately, there are some naked loads, e.g. Universe::null_ptr_exception_instance(), etc. that bypasses barrier. These loads can result from-space oops and subsequently be stored in roots.
oop_store_not_in_heap should be able to intercept those stores and resolve them to to-space oops.
Ideally, it is enforced by LRB to ensure that only to-space oops in system. Unfortunately, there are some naked loads, e.g. Universe::null_ptr_exception_instance(), etc. that bypasses barrier. These loads can result from-space oops and subsequently be stored in roots.
oop_store_not_in_heap should be able to intercept those stores and resolve them to to-space oops.
- duplicates
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JDK-8225483 Shenandoah: Enhance native access barrier
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- Resolved
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