diff --git a/releasenotes.md b/releasenotes.md
index f5a32199c..138a604e6 100644
--- a/releasenotes.md
+++ b/releasenotes.md
@@ -34,6 +34,7 @@
 - Fix error message when not finding a particular function.
 - Crash invoking a `@body` argument with the wrong number of parameters.
 - Fix reordering semantics in struct assignment.
+- Regression when passing types as `#expr` arguments. #1461
 
 ### Stdlib changes
 - Additional init functions for hashmap.
diff --git a/src/compiler/sema_liveness.c b/src/compiler/sema_liveness.c
index 038fdfd2d..56a93d5de 100644
--- a/src/compiler/sema_liveness.c
+++ b/src/compiler/sema_liveness.c
@@ -607,6 +607,8 @@ RETRY:
 				case VARDECL_UNWRAPPED:
 					break;
 				case VARDECL_PARAM_EXPR:
+					// These are never traced, they are folded in use.
+					break;
 				case VARDECL_PARAM_CT:
 				case VARDECL_PARAM_REF:
 				case VARDECL_PARAM: