JDK-8238048 : Close alignment gaps in InstanceKlass
- Type: Enhancement
- Component: hotspot
- Sub-Component: runtime
- Affected Version: 15
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-01-28
- Updated: 2021-12-06
- Resolved: 2020-04-23
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| JDK 15 |
|---|
15 b21Fixed  |
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Description
There are a couple of alignment gaps in InstanceKlass that should be filled with rearranging a couple of fields. // The NestMembers attribute. An array of shorts, where each is a // class info index for the class that is a nest member. This data // has not been validated. Array<jushort>* _nest_members; // The NestHost attribute. The class info index for the class // that is the nest-host of this class. This data has not been validated. jushort _nest_host_index; // Resolved nest-host klass: either true nest-host or self if we are not nested. // By always being set it makes nest-member access checks simpler. InstanceKlass* _nest_host; Also misc_flags needs to be a u4, so should be moved down or up.
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