// check-pass // compile-flags: --emit=mir,link // Checks that we don't ICE due to attempting to run const prop // on a function with unsatisifable 'where' clauses #![allow(unused)] trait A { fn foo(&self) -> Self where Self: Copy; } impl A for [fn(&())] { fn foo(&self) -> Self where Self: Copy { *(&[] as &[_]) } } impl A for i32 { fn foo(&self) -> Self { 3 } } fn main() {}