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863e784951
When getting local ranges, an assumption is made that
if a range does not contain an end or when its end is a maximum token,
then it must contain a start. This assumption proven not true
during manual tests, so it's now fortified with an additional check.
Here's a gdb output for a set of local ranges which causes an assertion
failure when calling `get_local_ranges` on it:
(gdb) p ranges
$1 = std::vector of length 2, capacity 2 = {{_interval = {_start = std::optional<interval_bound<dht::token>> = {[contained value] = {_value = {_kind = dht::token_kind::before_all_keys,
_data = 0}, _inclusive = false}}, _end = std::optional<interval_bound<dht::token>> [no contained value], _singular = false}}, {_interval = {
_start = std::optional<interval_bound<dht::token>> [no contained value], _end = std::optional<interval_bound<dht::token>> = {[contained value] = {_value = {
_kind = dht::token_kind::before_all_keys, _data = 0}, _inclusive = true}}, _singular = false}}}
Closes #7764
(cherry picked from commit 1cc4ed50c1)