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fdee7dd60d
This fixes lack of stack traces on arm64 macOS which were regressed and not getting generated at all after this addition to write current stack traces. Prior to this, function `isValidMemory` would sync two subsequent pages if the aligned (base) address was different than the frame pointer. I fail to see what the logic for such assumption here is as the manual of `msync` clearly states it will fail with error if the passed in memory region length contains unmapped regions. This was the very reason why there were no stack traces print on arm64 macOS as the second page was unmapped thus incorrectly flagging the frame pointer as invalid.