JDK-8247763 : assert(outer->outcnt() == 2) failed: 'only phis' failure in LoopNode::verify_strip_mined()
- Type: Bug
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 11,13,14,15,16
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-06-17
- Updated: 2024-11-13
- Resolved: 2020-06-22
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 13 | JDK 15 | JDK 16 |
|---|---|---|---|
| 11.0.10-oracleFixed | 13.0.8Fixed | 15 b29Fixed  |
16Fixed |
Description
Attached javafuzzer test fails with - (attached hs_err log) $ javac *.java $ java -Xmx1G -Xcomp -Xbatch -XX:CompileOnly=Test Test # Internal Error (..../open/src/hotspot/share/opto/loopnode.cpp:1108), pid=13001, tid=13013 # assert(outer->outcnt() == 2) failed: only phis # # JRE version: Java(TM) SE Runtime Environment (15.0+25) (fastdebug build 15-ea+25-1229) # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 15-ea+25-1229, compiled mode, sharing, tiered, compressed oops, g1 gc, linux-amd64) # Problematic frame: # V [libjvm.so+0x114e4c5] LoopNode::verify_strip_mined(int) const+0xdd5 ............. Command Line: -Xmx1G -Xcomp -Xbatch -XX:CompileOnly=Test Test .......... Current thread (0x00007f0d94496440): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=13013, stack(0x00007f0d6a4ce000,0x00007f0d6a5cf000)] Current CompileTask: C2: 32894 66 !b 4 Test::mainTest (625 bytes) Stack: [0x00007f0d6a4ce000,0x00007f0d6a5cf000], sp=0x00007f0d6a5c9210, free space=1004k Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code) V [libjvm.so+0x114e4c5] LoopNode::verify_strip_mined(int) const+0xdd5 V [libjvm.so+0x114e6d7] CountedLoopNode::skip_strip_mined(int)+0x47 V [libjvm.so+0x113b4aa] PhaseIdealLoop::do_unroll(IdealLoopTree*, Node_List&, bool)+0x10a V [libjvm.so+0x11416e3] IdealLoopTree::iteration_split_impl(PhaseIdealLoop*, Node_List&) [clone .part.0]+0x353 V [libjvm.so+0x1141a7b] IdealLoopTree::iteration_split(PhaseIdealLoop*, Node_List&)+0x14b V [libjvm.so+0x1141956] IdealLoopTree::iteration_split(PhaseIdealLoop*, Node_List&)+0x26 V [libjvm.so+0x114199a] IdealLoopTree::iteration_split(PhaseIdealLoop*, Node_List&)+0x6a V [libjvm.so+0x1141956] IdealLoopTree::iteration_split(PhaseIdealLoop*, Node_List&)+0x26 V [libjvm.so+0x1169a0d] PhaseIdealLoop::build_and_optimize(LoopOptsMode)+0xd3d V [libjvm.so+0x902eae] PhaseIdealLoop::optimize(PhaseIterGVN&, LoopOptsMode)+0x31e V [libjvm.so+0x900230] Compile::Optimize()+0xd70 V [libjvm.so+0x901d7c] Compile::Compile(ciEnv*, ciMethod*, int, bool, bool, bool, DirectiveSet*)+0x15bc V [libjvm.so+0x74f115] C2Compiler::compile_method(ciEnv*, ciMethod*, int, DirectiveSet*)+0x175 V [libjvm.so+0x91061e] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x45e V [libjvm.so+0x911cb8] CompileBroker::compiler_thread_loop()+0x6b8 V [libjvm.so+0x1696f4c] JavaThread::thread_main_inner()+0x21c V [libjvm.so+0x169cd70] Thread::call_run()+0x100 V [libjvm.so+0x13a2296] thread_native_entry(Thread*)+0x116
Comments
|