From 9142f802f1126d65abb1aad5e2bc91b5b833fe7e Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@atdot.net>
Date: Sun, 10 Nov 2019 02:25:57 +0900
Subject: [PATCH] rewrite comment.

Pointed by nagachika-san.
https://ruby-trunk-changes.hatenablog.com/entry/ruby_trunk_changes_20191109
---
 vm_insnhelper.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index 898b1937a0..5c83c343cc 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -2078,10 +2078,9 @@ vm_call_iseq_setup_kwparm_nokwarg(rb_execution_context_t *ec, rb_control_frame_t
         klocals[i] = kw_param->default_values[i];
     }
     klocals[i] = INT2FIX(0); // kw specify flag
-
-    /* NOTE: don't need to setup (clear) unspecified bits
-             because no code check it.
-             klocals[kw_param->num] = INT2FIX(0); */
+    // NOTE:
+    //   nobody check this value, but it should be cleared because it can
+    //   points invalid VALUE (T_NONE objects, raw pointer and so on).
 
     int param = iseq->body->param.size;
     int local = iseq->body->local_table_size;