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// compile-flags: -Zunstable-options
// check-pass
#![warn(rustc::internal)]
#[allow(rustc::foo::bar::default_hash_types)]
//~^ WARN unknown lint: `rustc::foo::bar::default_hash_types`
//~| HELP did you mean
//~| SUGGESTION rustc::default_hash_types
#[allow(rustc::foo::default_hash_types)]
//~^ WARN unknown lint: `rustc::foo::default_hash_types`
//~| HELP did you mean
//~| SUGGESTION rustc::default_hash_types
fn main() {
let _ = std::collections::HashMap::<String, String>::new();
//~^ WARN prefer `FxHashMap` over `HashMap`, it has better performance
}
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