1 files changed, 2 insertions, 0 deletions
diff --git a/hv.c b/hv.c
index 6d33966577..acc58e20ff 100644
--- a/hv.c
+++ b/hv.c
@@ -2925,6 +2925,8 @@ Perl_fetch_cop_label(pTHX_ struct refcounted_he *const chain, STRLEN *len,
 struct refcounted_he *
 Perl_store_cop_label(pTHX_ struct refcounted_he *const chain, const char *label)
 {
+    PERL_ARGS_ASSERT_STORE_COP_LABEL;
+
     return refcounted_he_new_common(chain, ":", 1, HVrhek_PV, HVrhek_PV,
 				    label, strlen(label));
 }