1 files changed, 1 insertions, 0 deletions
diff --git a/load.c b/load.c
index c0508fccb2..70e3ee8646 100644
--- a/load.c
+++ b/load.c
@@ -663,6 +663,7 @@ load_lock(const char *ftptr)
     }
     if (RTEST(ruby_verbose)) {
 	rb_warning("loading in progress, circular require considered harmful - %s", ftptr);
+	/* TODO: display to $stderr, not stderr in C */
 	rb_backtrace();
     }
     switch (rb_thread_shield_wait((VALUE)data)) {