JDK-8271340 : Crash PhaseIdealLoop::clone_outer_loop
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 11,16,17,18
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2021-07-27
  • Updated: 2021-09-29
  • Resolved: 2021-09-07
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JDK 11 JDK 17 JDK 18
11.0.14-oracleFixed 17.0.2Fixed 18 b14Fixed
Related Reports
Relates :  
JDK-8270886 - Crash in PhaseIdealLoop::verify_strip_mined_scheduling
Description
See this comment:

https://bugs.openjdk.java.net/browse/JDK-8270886?focusedCommentId=14435370&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-14435370

This was thought to be just another crash for JDK-8270886 but is a different issue.
Comments
Fix request (17u): The bug leads to a crash in C2. The fix is low risk and has been tested in the JDK 18 for a while and with tier1-3 in JDK 17u. The patch applies cleanly.
28-09-2021
Changeset: 2abf3b3b Author: Roland Westrelin <roland@openjdk.org> Date: 2021-09-07 15:15:17 +0000 URL: https://git.openjdk.java.net/jdk/commit/2abf3b3b2743947282300ee8416611559e49fca0
07-09-2021
ILW = Crashes in C2 loop peeling, only fails with single JavaFuzzer test containing infinite loops, disable loop strip mining = HLM = P3
28-07-2021