The spec on the methods MemorySegment::long segmentOffset(MemorySegment other) states:
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The offset is relative to the base address of this segment and can be a negative or positive value. For instance, if both segments are native segments, the resulting offset can be computed as follows:
other.baseAddress().toRawLongValue() - segment.baseAddress().toRawLongValue()
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The reference to the method baseAddress() is a leftover from old API. It should be changed to address().
Expected assertion is:
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other.address().toRawLongValue() - segment.address().toRawLongValue()
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