8256040: Shenandoah: Allow NULL referent in ShenandoahReferenceProces…

…sor::should_discover() Reviewed-by: shade
openjdk · Nov 10, 2020 · a38dd53 · a38dd53
1 parent 01567b5
commit a38dd53
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/hotspot/share/gc/shenandoah/shenandoahReferenceProcessor.cpp b/src/hotspot/share/gc/shenandoah/shenandoahReferenceProcessor.cpp
@@ -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));