RFR 8231250: Shenandoah: Traversal GC should keep alive weak load from heap

Zhengyu Gu zgu at redhat.com
Mon Sep 23 15:16:46 UTC 2019

Was:  8231250: Shenandoah: Shenandoah assert_correct failed; Object 
klass pointer

SAP reported that this patch did not fix the assert failure in original 
bug report. But the fix is legit, as JDK-8227635 did change the behavior 
of traversal GC, resulting it may drop keepalive for heap loads.

Bug: https://bugs.openjdk.java.net/browse/JDK-8231250
Webrev: http://cr.openjdk.java.net/~zgu/JDK-8231250/webrev.00/

   hotspot_gc_shenandoah (fastdebug and release) on Linux x86_64



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