save LTO import info and check it when trying to reuse build products#67020

Merged

bors merged 2 commits intorust-lang:masterfrom pnkfelix:issue-59535-accumulate-past-lto-imports

Dec 21, 2019

+250-10

Commits on Dec 20, 2019

save LTO import information and check it when trying to reuse build products.
pnkfelix
committed
General purpose teest cases contributed by mw.
pnkfelix
committed