JDK-8253555 : Make ByteSize and WordSize typed scoped enums
- Type: Enhancement
- Component: hotspot
- Sub-Component: compiler
- Affected Version: 16
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-09-23
- Updated: 2024-11-22
- Resolved: 2020-09-25
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| JDK 16 |
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16 b18Fixed  |
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Description
The classes ByteSize and WordSize are used to create a typesafe differentiation between values denoting "words" and "bytes". The way it works today is that ByteSize (and WordSize) is an int typedef in release builds, and a wrapper class in debug builds. This has the drawback that you can't use these types in overloads, because both types resolve to int in release builds. I propose that we change this to with typed scoped enums, and get rid of the release/debug difference.
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