Fix segment_bins corruption in dsa.c.
If a segment has been freed by dsa.c because it is entirely empty, other
backends must make sure to unmap it before following links to new
segments that might happen to have the same index number, or they could
finish up looking at a defunct segment and then c
Fix segment_bins corruption in dsa.c.
If a segment has been freed by dsa.c because it is entirely empty, other
backends must make sure to unmap it before following links to new
segments that might happen to have the same index number, or they could
finish up looking at a defunct segment and then c
Fix segment_bins corruption in dsa.c.
If a segment has been freed by dsa.c because it is entirely empty, other
backends must make sure to unmap it before following links to new
segments that might happen to have the same index number, or they could
finish up looking at a defunct segment and then c
