From a45b6dbc0781a3968a730582509e838b370a31cb Mon Sep 17 00:00:00 2001
From: Nico Weber <thakis@chromium.org>
Date: Sat, 14 Aug 2021 18:33:26 -0400
Subject: [PATCH] LibCore: Include math.h instead of defining isnan() in
 ArgsParser.cpp

---
 Userland/Libraries/LibCore/ArgsParser.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/Userland/Libraries/LibCore/ArgsParser.cpp b/Userland/Libraries/LibCore/ArgsParser.cpp
index fc7d134cbc..0c3d766f3d 100644
--- a/Userland/Libraries/LibCore/ArgsParser.cpp
+++ b/Userland/Libraries/LibCore/ArgsParser.cpp
@@ -9,11 +9,10 @@
 #include <LibCore/ArgsParser.h>
 #include <getopt.h>
 #include <limits.h>
+#include <math.h>
 #include <stdio.h>
 #include <string.h>
 
-static constexpr bool isnan(double __x) { return __builtin_isnan(__x); }
-
 static Optional<double> convert_to_double(const char* s)
 {
     char* p;