From fe71080c59b400c8d9020c4eeb1065e8b1ae9508 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor.andersson@artifex.com>
Date: Fri, 10 Jan 2020 11:16:14 +0100
Subject: [PATCH] Bug 698496: Handle leap years correctly in the Date
 constructor.

InLeapYear expects the parameter to be a timestamp and not a year.
Use DaysInYear instead.

Thanks to Robert Rosendahl for spotting this.
---
 jsdate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jsdate.c b/jsdate.c
index ea3db53..a42606e 100644
--- a/jsdate.c
+++ b/jsdate.c
@@ -217,7 +217,7 @@ static double MakeDay(double y, double m, double date)
 		return NAN;
 
 	yd = floor(TimeFromYear(y) / msPerDay);
-	md = firstDayOfMonth[InLeapYear(y)][im];
+	md = firstDayOfMonth[DaysInYear(y) == 366][im];
 
 	return yd + md + date - 1;
 }