jasonmolenda added a comment. Interesting. I remember reading in the recent arm arm docs about how there may be false watchpoint notifications when a processor is in SVE Streaming Mode and a write happens near a watchpoint, but I didn't realize that could happen outside of that context. I'm working on using power-of-2 mask watchpoints on Darwin and one of the problems I'll need to handle is similar, where a user watches a 48 byte object, I need to watch 64 bytes and ignore writes to the other 16. My current thinking is to add a new type of watchpoint in addition to "read" and "write" -- "modify", where lldb will compare the bytes of the watched object and silently continue if they are unmodified. I suspect that's what most people using write watchpoints would actually want, outside of this issue of false watchpoint hits.
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