Rollup merge of #88183 - spastorino:add-tait-in-different-tuple-position, r=oli-obk

test TAIT in different positions

r? `@oli-obk`

Related to #86727

src/test/ui/type-alias-impl-trait/type-alias-impl-trait-tuple.rs

@@ -7,20 +7,19 @@ pub trait MyTrait {}
 
 impl MyTrait for bool {}
 
+type Foo = impl MyTrait;
+
 struct Blah {
     my_foo: Foo,
-    my_u8: u8
+    my_u8: u8,
 }
 
 impl Blah {
     fn new() -> Blah {
-        Blah {
-            my_foo: make_foo(),
-            my_u8: 12
-        }
+        Blah { my_foo: make_foo(), my_u8: 12 }
     }
-    fn into_inner(self) -> (Foo, u8) {
-        (self.my_foo, self.my_u8)
+    fn into_inner(self) -> (Foo, u8, Foo) {
+        (self.my_foo, self.my_u8, make_foo())
     }
 }
 
@@ -28,6 +27,4 @@ fn make_foo() -> Foo {
     true
 }
 
-type Foo = impl MyTrait;
-
 fn main() {}