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#![feature(decl_macro)] mod foo { pub trait T { fn f(&self) {} } impl T for () {} } mod bar { use foo::*; pub macro m() { ().f() } fn f() { ::baz::m!(); } } mod baz { pub macro m() { ().f() } //~ ERROR no method named `f` found fn f() { ::bar::m!(); } } fn main() {}