From fcae58809f2cbd20bea1b8e294f70ce2b80f4170 Mon Sep 17 00:00:00 2001
From: Ilija Tovilo <ilija.tovilo@me.com>
Date: Mon, 2 Oct 2023 10:55:57 +0200
Subject: [PATCH] Fix GCC warning in math.c

---
 ext/standard/math.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ext/standard/math.c b/ext/standard/math.c
index 734ebaba075..0cd7ecfbb57 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -159,6 +159,8 @@ static inline double php_round_helper(double value, int mode) {
 			return integral;
 		EMPTY_SWITCH_DEFAULT_CASE();
 	}
+	// FIXME: GCC bug, branch is considered reachable.
+	ZEND_UNREACHABLE();
 }
 /* }}} */