JDK-8230020 : [BACKOUT] compiler/types/correctness/* tests fail with "assert(recv == __null || recv->is_klass()) failed: wrong type"
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 14
  • Priority: P1
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2019-08-22
  • Updated: 2019-08-29
  • Resolved: 2019-08-22
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JDK 14
14 b12Fixed
Related Reports
Duplicate :  
Duplicate :  
Description
The fix for JDK-8225670 caused a performance regression with several benchmarks and therefore needs to be backed out and re-worked.

For example:

Benchmark Mode Cnt Score Error Units 
MonteCarlo.monte_carlo thrpt 15 98.821 �� 13.039 ops/min 

vs. 

Benchmark Mode Cnt Score Error Units 
MonteCarlo.monte_carlo thrpt 15 301.324 �� 40.006 ops/min 


Comments
URL: https://hg.openjdk.java.net/jdk/jdk/rev/3283cff319c8 User: thartmann Date: 2019-08-22 10:22:18 +0000
22-08-2019

http://cr.openjdk.java.net/~thartmann/8230020/webrev.00/
22-08-2019

ILW = Same as JDK-8229990 = P1
22-08-2019