Remove one use of BrAnon(Some(_)).

Author: nnethercote

compiler/rustc_hir_typeck/src/generator_interior/mod.rs

@@ -258,7 +258,7 @@ pub fn resolve_interior<'a, 'tcx>(
                     }
                     // FIXME: these should use `BrNamed`
                     ty::ReEarlyBound(region) => {
-                        mk_bound_region(ty::BrAnon(Some(fcx.tcx.def_span(region.def_id))))
+                        mk_bound_region(ty::BrNamed(region.def_id, region.name))
                     }
                     ty::ReLateBound(_, ty::BoundRegion { kind, .. })
                     | ty::ReFree(ty::FreeRegion { bound_region: kind, .. }) => match kind {

tests/ui/generic-associated-types/bugs/issue-100013.stderr

@@ -62,12 +62,12 @@ LL | |         async {}.await; // a yield point
 LL | |     }
    | |_____^
    |
-note: the lifetime defined here...
+note: the lifetime `'b` defined here...
   --> $DIR/issue-100013.rs:28:18
    |
 LL | fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send {
    |                  ^^
-note: ...must outlive the lifetime defined here
+note: ...must outlive the lifetime `'a` defined here
   --> $DIR/issue-100013.rs:28:10
    |
 LL | fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send {