Re-land PR #71840 (Rework MIR drop tree lowering)#77466

Merged

bors merged 10 commits intorust-lang:masterfrom

Aaron1011:reland-drop-tree

Oct 5, 2020

Commits on Oct 4, 2020

Defer creating drop trees in MIR lowering until leaving that scope

matthewjasper
authored and
Aaron1011
committed
Reduce the number of drop-flag assignments in unwind paths

matthewjasper
authored and
Aaron1011
committed
Add some more comments

matthewjasper
authored and
Aaron1011
committed
Address review comments

matthewjasper
authored and
Aaron1011
committed
Fix rebase fallout
Aaron1011
committed
Add regression test for issue #72470
Aaron1011
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Fix broken link
Aaron1011
committed
Bless mir-opt tests
Aaron1011
committed
Apply suggestions from review

Aaron1011
and
matthewjasper
committed
Bless more test output
Aaron1011
committed