Test the multispan case in tests.ui/bounds-lifetime.rs.

Author: nnethercote

compiler/rustc_ast_passes/src/feature_gate.rs

@@ -30,7 +30,7 @@ macro_rules! gate {
 }
 
 /// The unusual case, where the `has_feature` condition is non-standard.
-macro_rules! gate_complex {
+macro_rules! gate_alt {
     ($visitor:expr, $has_feature:expr, $name:expr, $span:expr, $explain:expr) => {{
         if !$has_feature && !$span.allows_unstable($name) {
             feature_err(&$visitor.sess.parse_sess, $name, $span, $explain).emit();

tests/ui/bounds-lifetime.rs

@@ -2,6 +2,6 @@ type A = for<'b, 'a: 'b> fn(); //~ ERROR lifetime bounds cannot be used in this
 type B = for<'b, 'a: 'b,> fn(); //~ ERROR lifetime bounds cannot be used in this context
 type C = for<'b, 'a: 'b +> fn(); //~ ERROR lifetime bounds cannot be used in this context
 type D = for<'a, T> fn(); //~ ERROR only lifetime parameters can be used in this context
-type E = dyn for<T> Fn(); //~ ERROR only lifetime parameters can be used in this context
+type E = dyn for<T, U> Fn(); //~ ERROR only lifetime parameters can be used in this context
 
 fn main() {}

tests/ui/bounds-lifetime.stderr

@@ -28,8 +28,8 @@ LL | type D = for<'a, T> fn();
 error[E0658]: only lifetime parameters can be used in this context
   --> $DIR/bounds-lifetime.rs:5:18
    |
-LL | type E = dyn for<T> Fn();
-   |                  ^
+LL | type E = dyn for<T, U> Fn();
+   |                  ^  ^
    |
    = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information
    = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable