Do not collect to vec for debug output

src/librustc_typeck/check/generator_interior.rs

@@ -132,11 +132,7 @@ pub fn resolve_interior<'a, 'tcx>(
     // if a Sync generator contains an &'α T, we need to check whether &'α T: Sync),
     // so knowledge of the exact relationships between them isn't particularly important.
 
-    debug!(
-        "types in generator {:?}, span = {:?}",
-        types.iter().map(|t| (t.0).ty).collect::<Vec<_>>(),
-        body.value.span,
-    );
+    debug!("types in generator {:?}, span = {:?}", types, body.value.span);
 
     // Replace all regions inside the generator interior with late bound regions
     // Note that each region slot in the types gets a new fresh late bound region,

src/test/ui/async-await/issues/issue-64964.rs

@@ -2,7 +2,7 @@
 // compile-flags: -Z query-dep-graph
 // edition:2018
 
-// Regression test for ICE related to `await`ing in a method. (#64964)
+// Regression test for ICE related to `await`ing in a method + incr. comp. (#64964)
 
 struct Body;
 impl Body {