JDK-8244616 : Create a test to verify that non-static final fields of a hidden class are trusted and optimized by C2
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: 15
  • Priority: P3
  • Status: Open
  • Resolution: Unresolved
  • Submitted: 2020-05-07
  • Updated: 2020-05-11
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tbdUnresolved
Related Reports
Relates :  
JDK-8240550 - [nestmates] java/lang/invoke/defineHiddenClass/BasicTest.java timeout with Graal + -Xcomp
Relates :  
JDK-8238358 - Implementation of JEP 371: Hidden Classes
Description
The non-static final fields declared in a hidden class are not modifiable even through reflection [1].    They are trusted non-static final fields that can be optimized by JIT. 

Need a regression test for that.

[1] https://download.java.net/java/early_access/jdk15/docs/api/java.base/java/lang/reflect/Field.html#set(java.lang.Object,java.lang.Object)