reduce mem. usage of unused and update staticcheck #1063
Merged
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The primary improvement is in early clearing of
analyzed package's TypeInfo, facts, etc for
whole program analyzers (
unused
). Clear it when itbecomes unused and GC collects them early. Initially this
clearing was performed for all analyzers except
unused
.Update staticcheck from v0.0.1-2019.2.3 to v0.0.1-2020.1.4
Also in this commit:
by not using mutex for export data since it was allowed in
x/tools#07722704da13
Relates: #987, #994, #995, #1011