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  1. JDK
  2. JDK-8267988

C2: assert(!addp->is_AddP() || addp->in(AddPNode::Base)->is_top() || addp->in(AddPNode::Base) == n->in(AddPNode::Base)) failed: Base pointers must match (addp 1301)

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    Details

    • Subcomponent:
    • Introduced In Build:
      b24
    • Introduced In Version:
      17
    • Resolved In Build:
      b27
    • Verification:
      Verified

      Backports

        Description

        The attached fuzzer test starts to fail after JDK-8252372 with the following assertion:

        To reproduce:
        $ java -Xcomp -XX:CompileOnly=Test Test.java
        $ java -Xcomp -XX:CompileOnly=Reduced Reduced.java

        #
        # A fatal error has been detected by the Java Runtime Environment:
        #
        # Internal Error (/opt/mach5/mesos/work_dir/slaves/3c846bae-ce30-4a97-93ee-9fef4497ccb6-S79138/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/1e84e880-665b-4ce6-a86d-5a8778302ad6/runs/5aaa51c3-47d3-43d6-b2dc-734ff90b359e/workspace/open/src/hotspot/share/opto/compile.cpp:3065), pid=30028, tid=30041
        # assert(!addp->is_AddP() || addp->in(AddPNode::Base)->is_top() || addp->in(AddPNode::Base) == n->in(AddPNode::Base)) failed: Base pointers must match (addp 1301)
        #
        # JRE version: Java(TM) SE Runtime Environment (17.0+24) (fastdebug build 17-ea+24-LTS-2164)
        # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 17-ea+24-LTS-2164, compiled mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
        # Problematic frame:
        # V [libjvm.so+0xa0ce2a] Compile::final_graph_reshaping_main_switch(Node*, Final_Reshape_Counts&, unsigned int)+0x176a
        .............
        Command Line: -Xmx1G -Xcomp -Xbatch -XX:CompileOnly=Test -XX:CompileCommand=quiet Test
        .............
        Current thread (0x00007ff38047f390): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=30041, stack(0x00007ff34f6ff000,0x00007ff34f800000)]


        Current CompileTask:
        C2: 388 14 !b 4 Test::fMeth (332 bytes)

        Stack: [0x00007ff34f6ff000,0x00007ff34f800000], sp=0x00007ff34f7fb100, free space=1008k
        Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
        V [libjvm.so+0xa0ce2a] Compile::final_graph_reshaping_main_switch(Node*, Final_Reshape_Counts&, unsigned int)+0x176a
        V [libjvm.so+0xa0d365] Compile::final_graph_reshaping_impl(Node*, Final_Reshape_Counts&) [clone .part.0]+0x85
        V [libjvm.so+0xa0dad8] Compile::final_graph_reshaping_walk(Node_Stack&, Node*, Final_Reshape_Counts&)+0x198
        V [libjvm.so+0xa0f8be] Compile::final_graph_reshaping()+0x3ce
        V [libjvm.so+0xa1b62f] Compile::Optimize()+0x196f
        V [libjvm.so+0xa1cc95] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x1585
        V [libjvm.so+0x840f1a] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1ea
        V [libjvm.so+0xa2d699] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xfb9
        V [libjvm.so+0xa2e408] CompileBroker::compiler_thread_loop()+0x5a8
        V [libjvm.so+0x18a3e21] JavaThread::thread_main_inner()+0x271
        V [libjvm.so+0x18ab9e0] Thread::call_run()+0x100
        V [libjvm.so+0x157751e] thread_native_entry(Thread*)+0x10e

          Attachments

          1. hs_err_pid30028.log
            172 kB
          2. Reduced.java
            0.6 kB
          3. Test.java
            7 kB

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                Assignee:
                roland Roland Westrelin
                Reporter:
                chagedorn Christian Hagedorn
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                  Created:
                  Updated:
                  Resolved: