JDK-8260284 : C2: assert(_base == Int) failed: Not an Int
- Type: Bug
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 11,16,17
- Priority: P2
- Status: Closed
- Resolution: Fixed
- Submitted: 2021-01-22
- Updated: 2022-03-22
- Resolved: 2021-01-25
The Version table provides details related to the release that this issue/RFE will be addressed.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 11 | JDK 16 | JDK 17 |
|---|---|---|
| 11.0.12-oracleFixed | 16 b34Fixed  |
17Fixed |
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Description
The attached fuzzer test fails with the following assertion: To reproduce: # java -Xcomp -XX:-TieredCompilation -XX:CompileOnly=Test Test.java # # A fatal error has been detected by the Java Runtime Environment: # # Internal Error (/opt/mach5/mesos/work_dir/slaves/983c483a-6907-44e0-ad29-98c7183575e2-S14469/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/5986f74f-93ba-4d44-baaf-79d9af86790f/runs/ec853337-5fd8-4ef2-b3ea-1559f628e816/workspace/open/src/hotspot/share/opto/type.hpp:1613), pid=31055, tid=31068 # assert(_base == Int) failed: Not an Int # # JRE version: Java(TM) SE Runtime Environment (16.0+32) (fastdebug build 16-ea+32-2190) # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 16-ea+32-2190, compiled mode, sharing, compressed oops, g1 gc, linux-amd64) # Problematic frame: # V [libjvm.so+0x1621164] PhaseIterGVN::no_dependent_zero_check(Node*) const+0x144 ........... Command Line: -Xmx1G -Xcomp -Xbatch -XX:-TieredCompilation -XX:CompileOnly=Test -XX:CompileCommand=quiet Test ........... Current thread (0x00007f6164495ac0): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=31068, stack(0x00007f6154043000,0x00007f6154144000)] Current CompileTask: C2: 329 5 !b Test::iMeth (323 bytes) Stack: [0x00007f6154043000,0x00007f6154144000], sp=0x00007f615413f3d0, free space=1008k Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x1621164] PhaseIterGVN::no_dependent_zero_check(Node*) const+0x144 V [libjvm.so+0xe045fb] IfNode::dominated_by(Node*, PhaseIterGVN*)+0x37b V [libjvm.so+0x16255bd] PhaseIterGVN::transform_old(Node*)+0xed V [libjvm.so+0x161ddbe] PhaseIterGVN::optimize()+0x7e V [libjvm.so+0xa168e6] Compile::Optimize()+0x216 V [libjvm.so+0xa19988] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, bool, DirectiveSet*)+0x1838 V [libjvm.so+0x849aec] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x1dc V [libjvm.so+0xa29798] CompileBroker::invoke_compiler_on_method(CompileTask*)+0xe88 V [libjvm.so+0xa2a3e8] CompileBroker::compiler_thread_loop()+0x5a8 V [libjvm.so+0x18ba936] JavaThread::thread_main_inner()+0x256 V [libjvm.so+0x18c12b0] Thread::call_run()+0x100 V [libjvm.so+0x15a3486] thread_native_entry(Thread*)+0x116
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