Remove a FIXME

src/librustc/hir/map/blocks.rs

@@ -253,7 +253,6 @@ impl<'a> FnLikeNode<'a> {
             },
             map::NodeExpr(e) => match e.node {
                 ast::ExprClosure(_, ref decl, block, _fn_decl_span, _gen) =>
-                    // FIXME: Does this need handling for generators?
                     closure(ClosureParts::new(&decl, block, e.id, e.span, &e.attrs)),
                 _ => bug!("expr FnLikeNode that is not fn-like"),
             },