Create const block DefIds in typeck instead of ast lowering

compiler/rustc_hir_analysis/src/lib.rs

@@ -190,10 +190,6 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
         }
     });
 
-    // Freeze definitions as we don't add new ones at this point. This improves performance by
-    // allowing lock-free access to them.
-    tcx.untracked().definitions.freeze();
-
     // FIXME: Remove this when we implement creating `DefId`s
     // for anon constants during their parents' typeck.
     // Typeck all body owners in parallel will produce queries
@@ -205,6 +201,10 @@ pub fn check_crate(tcx: TyCtxt<'_>) {
         }
     });
 
+    // Freeze definitions as we don't add new ones at this point. This improves performance by
+    // allowing lock-free access to them.
+    tcx.untracked().definitions.freeze();
+
     tcx.ensure().check_unused_traits(());
 }