Rollup of 11 pull requests - #84726

Closed

jackh726 wants to merge 25 commits into

rust-lang:masterfrom

jackh726:rollup-zh28zun

Commits on Apr 22, 2021

Use flex more consistently.
Tor Hovland
committed
3090b01

Commits on Apr 26, 2021

Point out that behavior might be switched on 2015 and 2018 editions too one day
est31
committed
5bd3187

Commits on Apr 27, 2021

Add a paragraph with possible alternatives on older editions
est31
committed
12642d9

Commits on Apr 28, 2021

Add HAS_RE_LATE_BOUND if there are bound vars
jackh726
committed
31ae3b2
Don't rebind in transitive_bounds_that_define_assoc_type
jackh726
committed
5f82e22

Commits on Apr 29, 2021