From 8bcff5604b15fd29f357669dd8cb65a6618c9926 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Wed, 10 Nov 2021 18:14:14 +0900
Subject: Tentative fix of subsec to `Time.at` [Bug #18293]

---
 time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'time.c')

diff --git a/time.c b/time.c
index 9ecc09347c..44864ff748 100644
--- a/time.c
+++ b/time.c
@@ -2683,7 +2683,7 @@ time_s_at(rb_execution_context_t *ec, VALUE klass, VALUE time, VALUE subsec, VAL
     VALUE t;
     wideval_t timew;
 
-    if (!NIL_P(subsec)) {
+    if (subsec) {
         int scale = get_scale(unit);
         time = num_exact(time);
         t = num_exact(subsec);
-- 
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