1 files changed, 1 insertions, 1 deletions
diff --git a/op.c b/op.c
index 36aaf4bc54..45ccd85ef2 100644
--- a/op.c
+++ b/op.c
@@ -2119,7 +2119,7 @@ Perl_fold_constants(pTHX_ register OP *o)
     register OP *curop;
     OP *newop;
     volatile I32 type = o->op_type;
-    SV *sv = NULL;
+    volatile SV *sv = NULL;
     int ret = 0;
     I32 oldscope;
     OP *old_next;