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  1. JDK
  2. JDK-8254724

C2 crash in PhaseCFG::verify() const

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      compiler/unsafe/SunMiscUnsafeAccessTestChar.java test case resulted in below crash

      # A fatal error has been detected by the Java Runtime Environment:
      #
      # SIGSEGV (0xb) at pc=0x00000001020ec9bc, pid=2342, tid=23043

      Current CompileTask:
      C2: 1755 316 jdk.internal.loader.BuiltinClassLoader::loadModule (184 bytes)

      Stack: [0x000070000e595000,0x000070000e695000], sp=0x000070000e691790, free space=1009k
      Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.dylib+0x2ec9bc] PhaseCFG::verify() const+0x15c
      V [libjvm.dylib+0x51c714] Compile::Code_Gen()+0x284
      V [libjvm.dylib+0x519750] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x14c0
      V [libjvm.dylib+0x40e910] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1d0
      V [libjvm.dylib+0x534988] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x608
      V [libjvm.dylib+0x534116] CompileBroker::compiler_thread_loop()+0x2e6
      V [libjvm.dylib+0xffc584] JavaThread::thread_main_inner()+0x2b4
      V [libjvm.dylib+0xff7d47] Thread::call_run()+0x1b7
      V [libjvm.dylib+0xdb5a2f] thread_native_entry(Thread*)+0x15f
      C [libsystem_pthread.dylib+0x6109] _pthread_start+0x94
      C [libsystem_pthread.dylib+0x1b8b] thread_start+0xf

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            Assignee:
            thartmann Tobias Hartmann
            Reporter:
            fmatte Fairoz Matte
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              Created:
              Updated:
              Resolved: