convert EXTRA_REQUIREMENT_IN_IMPL into a hard error

cc #37166
2017-11-01 14:23:30 -04:00 · 2017-11-01 14:23:30 -04:00 · 0d78e40e88
commit 0d78e40e88
parent 64206b44b9
11 changed files with 21 additions and 93 deletions
--- a/src/test/compile-fail/issue-18937.rs
+++ b/src/test/compile-fail/issue-18937.rs
@ -27,7 +27,6 @@ trait A<'a> {

 impl<'a> A<'a> for B {
    fn foo<F>(&mut self, f: F) //~ ERROR impl has stricter
-        //~^ WARNING future release
        where F: fmt::Debug + 'static,
    {
        self.list.push(Box::new(f));