op_dump(): display PARENT of top-most node

When dumping a subtree, display the op_parent() value for
the top-most node of the subtree.

1 files changed, 5 insertions, 0 deletions

diff --git a/dump.c b/dump.c
index aeb9955688..227eb996ee 100644
--- a/dump.c
+++ b/dump.c
@@ -1000,6 +1000,11 @@ S_do_op_dump_bar(pTHX_ I32 level, UV bar, PerlIO *file, const OP *o)
 
     /* print op common fields */
 
+    if (level == 0) {
+        S_opdump_indent(aTHX_ o, level, bar, file, "PARENT");
+        S_opdump_link(aTHX_ o, op_parent((OP*)o), file);
+    }
+
     if (o->op_targ && optype != OP_NULL)
 	    S_opdump_indent(aTHX_ o, level, bar, file, "TARG = %ld\n",
                 (long)o->op_targ);