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  1. JDK
  2. JDK-8310322

[Lilliput/JDK17] assert(found_phi || all_in) failed in shenandoahSupport.cpp:1988

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    • generic
    • generic

    Description

      Check out: https://github.com/openjdk/lilliput-jdk17u
      Build JDK and run:
      make run-test TEST=compiler/arraycopy/TestArrayCopyIntrinsicWithUCT.java TEST_VM_OPTS="-XX:+UseShenandoahGC -XX:+UnlockExperimentalVMOptions -XX:+UseCompactObjectHeaders"

      It yields the following assert here:
      # To suppress the following error report, specify this argument
      # after -XX: or in .hotspotrc: SuppressErrorAt=/shenandoahSupport.cpp:1988
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/home/rkennke/src/openjdk/lilliput-jdk17u/src/hotspot/share/gc/shenandoah/c2/shenandoahSupport.cpp:1988), pid=36444, tid=36466
      # Error: assert(found_phi || all_in) failed
      #
      # JRE version: OpenJDK Runtime Environment (17.0.8) (fastdebug build 17.0.8-internal+0-adhoc.rkennke.lilliput-jdk17u)
      # Java VM: OpenJDK 64-Bit Server VM (fastdebug 17.0.8-internal+0-adhoc.rkennke.lilliput-jdk17u, compiled mode, compressed oops, compressed class ptrs, shenandoah gc, linux-amd64)
      # Problematic frame:
      # V [libjvm.so+0x161344c] ShenandoahBarrierC2Support::verify_raw_mem(RootNode*)+0xe0c
      #
      # No core dump will be written. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
      #
      # An error report file with more information is saved as:
      # /local/home/rkennke/src/openjdk/lilliput-jdk17u/build/linux-x86_64-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_compiler_arraycopy_TestArrayCopyIntrinsicWithUCT_java/scratch/0/hs_err_pid36444.log
      #
      # Compiler replay data is saved as:
      # /local/home/rkennke/src/openjdk/lilliput-jdk17u/build/linux-x86_64-server-fastdebug/test-support/jtreg_test_hotspot_jtreg_compiler_arraycopy_TestArrayCopyIntrinsicWithUCT_java/scratch/0/replay_pid36444.log
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #

      Find hs_err and replay attached.

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              rkennke Roman Kennke
              rkennke Roman Kennke
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                Created:
                Updated:
                Resolved: