8256040: Shenandoah: Allow NULL referent in ShenandoahReferenceProcessor::should_discover()

Reviewed-by: shade
This commit is contained in:
Roman Kennke 2020-11-10 06:56:58 +00:00
parent 01567b51dc
commit a38dd53411

@ -265,7 +265,7 @@ template <typename T>
bool ShenandoahReferenceProcessor::should_discover(oop reference, ReferenceType type) const {
T* referent_addr = (T*) java_lang_ref_Reference::referent_addr_raw(reference);
T heap_oop = RawAccess<>::oop_load(referent_addr);
oop referent = CompressedOops::decode_not_null(heap_oop);
oop referent = CompressedOops::decode(heap_oop);
if (is_inactive<T>(reference, referent, type)) {
log_trace(gc,ref)("Reference inactive: " PTR_FORMAT, p2i(reference));