Hi,
At function parallel_vacuum_process_all_indexes there is
a typo with a logical connector.
I think that correct is &&, because both of the operators are
bool types [1].
As a result, parallel vacuum workers can be incorrectly enabled.
Attached a trivial fix.
regards,
Ranier Vilela
[1]
https://wiki.sei.cmu.edu/confluence/display/c/EXP46-C.+Do+not+use+a+bitwise+operator+with+a+Boolean-like+operand