[beta][clippy] backport multiple FP fixes for a warn-by-default lint#77403

Merged

bors merged 8 commits intorust-lang:betafrom

Oct 1, 2020

Commits on Sep 10, 2020

Restrict `same_item_push` to suppress false positives

giraffate
authored and
flip1995
committed
Refactoring: use inner function

giraffate
authored and
flip1995
committed
Some refactoring

giraffate
authored and
flip1995
committed
Add some tests to `same_item_push`

giraffate
authored and
flip1995
committed
Refactoring: tests in `same_item_push`

giraffate
authored and
flip1995
committed
Address `items_after_statement`

giraffate
authored and
flip1995
committed

Commits on Oct 1, 2020