error: [+, -, o, *]
  --> $DIR/variance-regions-indirect.rs:8:1
   |
LL | enum Base<'a, 'b, 'c:'b, 'd> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: [*, o, -, +]
  --> $DIR/variance-regions-indirect.rs:15:1
   |
LL | struct Derived1<'w, 'x:'y, 'y, 'z> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: [o, o, *]
  --> $DIR/variance-regions-indirect.rs:20:1
   |
LL | struct Derived2<'a, 'b:'a, 'c> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: [o, -, *]
  --> $DIR/variance-regions-indirect.rs:25:1
   |
LL | struct Derived3<'a:'b, 'b, 'c> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: [+, -, o]
  --> $DIR/variance-regions-indirect.rs:30:1
   |
LL | struct Derived4<'a, 'b, 'c:'b> {
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: aborting due to 5 previous errors