Marshal.load: also freeze extended objects

[Bug #19427]

The `proc` wouldn't be called either, that fixes both.

1 files changed, 1 insertions, 0 deletions

diff --git a/marshal.c b/marshal.c
index 7152be2924..78e5bde0a2 100644
--- a/marshal.c
+++ b/marshal.c
@@ -1865,6 +1865,7 @@ r_object_for(struct load_arg *arg, bool partial, int *ivp, VALUE extmod, int typ
                     rb_extend_object(v, m);
                 }
             }
+            v = r_leave(v, arg, partial);
         }
         break;