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  1. JDK
  2. JDK-8360031

C2 compilation asserts in MemBarNode::remove

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    • Icon: Bug Bug
    • Resolution: Unresolved
    • Icon: P4 P4
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      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/open/src/hotspot/share/opto/memnode.cpp:4235), pid=31644, tid=26788
      # assert(Opcode() == Op_Initialize) failed: Only seen when there are no use of init memory
      #
      # JRE version: Java(TM) SE Runtime Environment (25.0+28) (fastdebug build 25-ea+28-LTS-3368)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 25-ea+28-LTS-3368, mixed mode, sharing, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
      # Problematic frame:
      # V [libjvm.so+0x1627057] MemBarNode::remove(PhaseIterGVN*)+0x237

      Current CompileTask:
      C2:3848097 122227 ! java.util.zip.ZipFile$Source::get (180 bytes)

      Stack: [0x00007f0b505e7000,0x00007f0b506e7000], sp=0x00007f0b506e2120, free space=1004k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.so+0x1627057] MemBarNode::remove(PhaseIterGVN*)+0x237 (memnode.cpp:4235)
      V [libjvm.so+0x1627213] MemBarNode::Ideal(PhaseGVN*, bool)+0x1a3
      V [libjvm.so+0x180982d] PhaseIterGVN::transform_old(Node*)+0xbd
      V [libjvm.so+0x17fe955] PhaseIterGVN::optimize()+0xc5
      V [libjvm.so+0xb39d60] Compile::Optimize()+0x13f0
      V [libjvm.so+0xb3c7a3] Compile::Compile(ciEnv*, ciMethod*, int, Options, DirectiveSet*)+0x1f33
      V [libjvm.so+0x962097] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x467
      V [libjvm.so+0xb4bbd8] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xb58
      V [libjvm.so+0xb4cda8] CompileBroker::compiler_thread_loop()+0x578
      V [libjvm.so+0x109a38b] JavaThread::thread_main_inner()+0x13b
      V [libjvm.so+0x1af27a6] Thread::call_run()+0xb6

            Unassigned Unassigned
            thartmann Tobias Hartmann
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              Created:
              Updated: