From e5cb9d7df9bae8f1e69b04dbe379892b5f499d86 Mon Sep 17 00:00:00 2001
From: Derick Rethans <github@derickrethans.nl>
Date: Tue, 7 May 2024 09:34:50 +0100
Subject: [PATCH 1/2] Force ffp-contract to off

---
 NEWS         | 2 ++
 configure.ac | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/NEWS b/NEWS
index 31e8843282c..235353a39a1 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,8 @@ PHP                                                                        NEWS
 - Core:
   . Fixed bug GH-13970 (Incorrect validation of #[Attribute] flags type for
     non-compile-time expressions). (ilutov)
+  . Fixed bug GH-14140 (Floating point bug in range operation on Apple Silicon
+    hardware). (Derick, Saki)
 
 - DOM:
   . Fix crashes when entity declaration is removed while still having entity
diff --git a/configure.ac b/configure.ac
index b8b8d413421..ba4a2654a5f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -218,6 +218,9 @@ case $host_cpu in
     ;;
 esac
 
+dnl See https://github.com/php/php-src/issues/14140
+AX_CHECK_COMPILE_FLAG([-ffp-contract=off], [CFLAGS="$CFLAGS -ffp-contract=off"])
+
 dnl Mark symbols hidden by default if the compiler (for example, gcc >= 4)
 dnl supports it. This can help reduce the binary size and startup time.
 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],

From 0a8fbef996fe2b104c4eb3a978b4decf6292551e Mon Sep 17 00:00:00 2001
From: Saki Takamachi <saki@sakiot.com>
Date: Sat, 18 May 2024 07:08:39 +0900
Subject: [PATCH 2/2] Added test

---
 ext/standard/tests/array/gh14140.phpt | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 ext/standard/tests/array/gh14140.phpt

diff --git a/ext/standard/tests/array/gh14140.phpt b/ext/standard/tests/array/gh14140.phpt
new file mode 100644
index 00000000000..2bc17a236a7
--- /dev/null
+++ b/ext/standard/tests/array/gh14140.phpt
@@ -0,0 +1,21 @@
+--TEST--
+GH-14140: Floating point bug in range operation on Apple Silicon hardware
+--FILE--
+<?php
+/*
+ * This is a problem that occurs not only in Apple silicon, but also in the Arm
+ * processor environment in general, which uses clang as the compiler.
+ */
+print_r(range(-0.03, 0.03, 0.01));
+?>
+--EXPECT--
+Array
+(
+    [0] => -0.03
+    [1] => -0.02
+    [2] => -0.01
+    [3] => 0
+    [4] => 0.01
+    [5] => 0.02
+    [6] => 0.03
+)