- Add materializeTrailingDefaults parameter to CallArgumentGenerator for default argument handling
- Implement native object stack slot allocation and promotion analysis
- Add nativeStackPromotions context tracking for non-escaping object allocations
- Generate NativeStackSlot declarations in compiler base code generation
- Update native method call generation to use direct member access patterns
- Add comprehensive native object member name validation and conflict detection
- Implement native destructor state management and finalization chains
- Add test cases for native class member name conflicts and stack promotion scenarios
- Replace nativeDeref calls with nativeRequireObject for improved object access safety
