JDK-8228710 : Disable AggressiveUnboxing until JDK-8224957 is fixed
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 13
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2019-07-29
  • Updated: 2019-08-15
  • Resolved: 2019-07-30
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JDK 13 JDK 14
13 b32Fixed 14Fixed
Related Reports
Relates :  
JDK-8217919 - C2: Enable -XX:+AggressiveUnboxing by default
Relates :  
JDK-8224957 - C2 compilation fails with assert: Bad graph detected in build_loop_late
Description
JDK-8217919 enabled AggressiveUnboxing by default in JDK 13 which triggered JDK-8224957. We should therefore disable AggressiveUnboxing until JDK-8224957 is properly fixed.
Comments
URL: https://hg.openjdk.java.net/jdk/jdk13/rev/a5ea1b64dcd7 User: thartmann Date: 2019-07-30 05:23:08 +0000
30-07-2019
Fix request approved.
29-07-2019
http://cr.openjdk.java.net/~thartmann/8228710/webrev.00/
29-07-2019
ILW = Same as JDK-8224957 = P2
29-07-2019
Fix Request JDK-8217919 enabled AggressiveUnboxing by default in JDK 13 which triggered JDK-8224957. We need to disable AggressiveUnboxing in JDK 13 until all related issues are fixed. The fix is low risk (it just reverts JDK-8217919) and has already been reviewed by Roland Westrelin. http://cr.openjdk.java.net/~thartmann/8228710/webrev.00/
29-07-2019