Even more tracing

Author: amandasystems

compiler/rustc_borrowck/src/region_infer/mod.rs

@@ -755,10 +755,13 @@ impl<'tcx> RegionInferenceContext<'tcx> {
     #[instrument(skip(self), level = "debug")]
     fn compute_value_for_scc(&mut self, scc_a: ConstraintSccIndex) {
         let constraint_sccs = self.constraint_sccs.clone();
+        debug!("scc_a is: {:?}", self.scc_representatives[scc_a]);
 
         // Walk each SCC `B` such that `A: B`...
         for &scc_b in constraint_sccs.successors(scc_a) {
             debug!(?scc_b);
+            debug!("scc_b is: {:?}", self.scc_representatives[scc_b]);
+
 
             // ...and add elements from `B` into `A`. One complication
             // arises because of universes: If `B` contains something