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  1. JDK
  2. JDK-8244663

Shenandoah: C2 assertion fails in Matcher::collect_null_checks

    Details

    • Subcomponent:
      gc
    • Resolved In Build:
      b24
    • Verification:
      Not verified

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        Description

        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (/home/zgu/ws/jdk/src/hotspot/share/opto/node.hpp:800), pid=10252, tid=10265
        # assert(is_Bool()) failed: invalid node class
        #
        # JRE version: OpenJDK Runtime Environment (15.0) (fastdebug build 15-internal+0-adhoc.zgu.jdk)
        # Java VM: OpenJDK 64-Bit Server VM (fastdebug 15-internal+0-adhoc.zgu.jdk, compiled mode, tiered, compressed oops, shenandoah gc, linux-amd64)
        # Problematic frame:
        # V [libjvm.so+0x1270134] Matcher::collect_null_checks(Node*, Node*)+0x244

        To reproduce:

        TEST_VM_OPTS="-XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:ShenandoahGCHeuristics=aggressive -Xcomp" make CONF=linux-x86_64-server-fastdebug run-test TEST=com/sun/jdi/PopAsynchronousTest.java

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                • Assignee:
                  roland Roland Westrelin
                  Reporter:
                  zgu Zhengyu Gu
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                  • Created:
                    Updated:
                    Resolved: