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//@ edition:2018
fn foo1(_: &dyn Drop + AsRef<str>) {} //~ ERROR ambiguous `+` in a type
//~^ ERROR only auto traits can be used as additional traits in a trait object
fn foo2(_: &dyn (Drop + AsRef<str>)) {} //~ ERROR incorrect parentheses around trait bounds
fn foo2_no_space(_: &dyn(Drop + AsRef<str>)) {} //~ ERROR incorrect parentheses around trait bounds
fn foo3(_: &dyn {Drop + AsRef<str>}) {} //~ ERROR expected parameter name, found `{`
//~^ ERROR expected one of `!`, `(`, `)`, `*`, `,`, `?`, `async`, `const`, `for`, `~`, lifetime, or path, found `{`
//~| ERROR at least one trait is required for an object type
fn foo4(_: &dyn <Drop + AsRef<str>>) {} //~ ERROR expected identifier, found `<`
fn foo5(_: &(dyn Drop + dyn AsRef<str>)) {} //~ ERROR invalid `dyn` keyword
//~^ ERROR only auto traits can be used as additional traits in a trait object
fn main() {}
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