cdf49db15c
This commit adds RecordTypeDiffIR::IsExtended() that determines whether the difference is a pure extension, i.e., appending members and increasing the size. The extensions are stored in record_type_extension_diffs in abi_diff messages. They can be ignored by specifying -allow-extensions. Test: ./test.py Bug: 248418092 Change-Id: Ibdef042c6176dc84d2dd61f71a3f88035e943dd4