Auto merge of #64849 - matthiaskrgr:submodule_upd, r=Manishearth

submodules: update clippy from 68ff8b19 to edd90473

Changes:
````
Remove clippy::author attribute from trailing_zeroes test
Move author issue test to author subdir
Fix author lint
Rustup to rust-lang/rust#64813
Refactor `booleans`
Detect assignment ops in integer_arithmetic
````

Fixes #64843

r? @oli-obk  @Manishearth
This commit is contained in:
bors
2019-09-27 17:28:00 +00:00