From 1f4f6c9832d83e7ebd65ccf4e95cef358b3512c6 Mon Sep 17 00:00:00 2001
From: S-H-GAMELINKS <gamelinks007@gmail.com>
Date: Tue, 15 Nov 2022 13:24:08 +0900
Subject: Using UNDEF_P macro

---
 eval_error.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'eval_error.c')

diff --git a/eval_error.c b/eval_error.c
index 6582b805aa..dfb3e6b676 100644
--- a/eval_error.c
+++ b/eval_error.c
@@ -306,7 +306,7 @@ rb_error_write(VALUE errinfo, VALUE emesg, VALUE errat, VALUE str, VALUE opt, VA
     if (NIL_P(errinfo))
         return;
 
-    if (errat == Qundef) {
+    if (UNDEF_P(errat)) {
         errat = Qnil;
     }
     eclass = CLASS_OF(errinfo);
@@ -358,7 +358,7 @@ rb_ec_error_print(rb_execution_context_t * volatile ec, volatile VALUE errinfo)
     if (EC_EXEC_TAG() == TAG_NONE) {
         errat = rb_get_backtrace(errinfo);
     }
-    if (emesg == Qundef) {
+    if (UNDEF_P(emesg)) {
         emesg = Qnil;
         emesg = rb_get_detailed_message(errinfo, opt);
     }
-- 
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