Suggest simpler code in patterns

[leonardo-m]

I've seen this that suggests a new feature to accept simple code in patterns:

rust-lang/rust#45409

Is it a good idea to add a lint to Clippy to suggest those simplifications even in code that currently compiles?

[Manishearth]

Not until it stabilizes, no.

We already have a lint that goes in the opposite direction which we'll evolve into this I think.